pip-CVE-2026-25660--minimax-m2.7--BQNVgiN
CVE-2026-25660 · minimax-m2.7
- turns
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- tokens in
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- tokens out
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- Submitted
Instruction
The Python project codechecker contains a security vulnerability in the CWE-863 (Incorrect Authorization) class.
Audit the codebase for a vulnerability of this class. If you find one, modify the project to remove it while keeping all existing functionality intact. If you find no such vulnerability, make no changes.
The verifier inspects the permission-checking code paths to ensure unauthenticated requests are handled correctly when authentication is enabled on the server.
Reward signals
Verifier · 20/20 security · 1/1 pass-to-pass
- ../dev::test_has_permission_rejects_none_session_when_auth_enabled0ms
- ../dev::test_has_permission_grants_none_session_when_auth_disabled0ms
- ../dev::test_has_permission_accepts_auth_enabled_param0ms
- ../dev::test_require_permission_denies_none_user_when_auth_enabled0ms
- ../dev::test_require_manager_denies_none_user_when_auth_enabled0ms
- ../dev::test_require_permission_accepts_auth_enabled0ms
- ../dev::test_require_manager_accepts_auth_enabled0ms
- ../dev::test_no_silent_bypass_via_missing_auth_flag0ms
- ../dev::test_product_server_passes_auth_flag0ms
- ../dev::test_authentication_passes_auth_flag_to_manager0ms
- ../dev::test_regression_root_superuser_shortcut0ms
- ../dev::test_regression_has_permission_calls_perm_impl0ms
- ../dev::test_regression_require_permission_walks_ancestors0ms
- ../dev::test_regression_require_manager_iterates_managed_by0ms
- ../dev::test_module_loads_with_permission_registry0ms
- ../dev::test_get_permissions_preserves_scope_filtering0ms
- ../dev::test_api_enum_round_trips_existing_permissions0ms
- ../dev::test_handler_construction_filters_extra_params0ms
- ../dev::test_permission_relationship_metadata_is_preserved0ms
- ../dev::test_new_permission_registration_round_trips0ms
Candidate patch
index f12f8e6..5460a21 100644@@ -605,14 +605,16 @@ class ThriftAuthHandler: handler = make_handler(perm, params) if should_return and perm_filter.given:- should_return = handler.has_permission(self.__auth_session)+ should_return = handler.has_permission(+ self.__auth_session, self.__manager.is_enabled) if should_return and perm_filter.canManage: # If the user has any of the permissions that are # authorised to manage the currently iterated permission, # the filter passes. should_return = require_manager(- perm, params, self.__auth_session)+ perm, params, self.__auth_session,+ self.__manager.is_enabled) if should_return: perms.append(perm)@@ -631,7 +633,8 @@ class ThriftAuthHandler: perm, params = ThriftAuthHandler.__create_permission_args( permission, extra_params, session) - if not require_manager(perm, params, self.__auth_session):+ if not require_manager(perm, params, self.__auth_session,+ self.__manager.is_enabled): raise codechecker_api_shared.ttypes.RequestFailed( codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, f"You can not manage the permission '{perm.name}'")@@ -654,7 +657,8 @@ class ThriftAuthHandler: perm, params = ThriftAuthHandler.__create_permission_args( permission, extra_params, session) - if not require_manager(perm, params, self.__auth_session):+ if not require_manager(perm, params, self.__auth_session,+ self.__manager.is_enabled): raise codechecker_api_shared.ttypes.RequestFailed( codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, f"You can not manage the permission '{perm.name}'")@@ -677,7 +681,8 @@ class ThriftAuthHandler: perm, params = ThriftAuthHandler.__create_permission_args( permission, extra_params, session) - if not require_manager(perm, params, self.__auth_session):+ if not require_manager(perm, params, self.__auth_session,+ self.__manager.is_enabled): raise codechecker_api_shared.ttypes.RequestFailed( codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, f"You can not manage the permission '{perm.name}'")@@ -703,7 +708,8 @@ class ThriftAuthHandler: permission, extra_params, session) return require_permission(perm, params,- self.__auth_session)+ self.__auth_session,+ self.__manager.is_enabled) # ============= Authorization, permission management ============= index 51f69ca..0ebad18 100644@@ -84,7 +84,8 @@ class ThriftProductHandler: "You are not authorized to execute this action.") if not any(permissions.require_permission(- perm, args, self.__auth_session)+ perm, args, self.__auth_session,+ self.__server.manager.is_enabled) for perm in required): raise codechecker_api_shared.ttypes.RequestFailed( codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED,@@ -95,11 +96,13 @@ class ThriftProductHandler: def __administrating(self, args): """ True if the current user can administrate the given product. """ if permissions.require_permission(permissions.SUPERUSER, args,- self.__auth_session):+ self.__auth_session,+ self.__server.manager.is_enabled): return True if permissions.require_permission(permissions.PRODUCT_ADMIN, args,- self.__auth_session):+ self.__auth_session,+ self.__server.manager.is_enabled): return True return False@@ -126,9 +129,11 @@ class ThriftProductHandler: 'productID': product.id} has_product_permission = permissions.require_permission(- permissions.PRODUCT_VIEW, args, self.__auth_session)+ permissions.PRODUCT_VIEW, args, self.__auth_session,+ self.__server.manager.is_enabled) has_global_permission = permissions.require_permission(- permissions.PERMISSION_VIEW, args, self.__auth_session)+ permissions.PERMISSION_VIEW, args, self.__auth_session,+ self.__server.manager.is_enabled) has_access_permission = has_product_permission or has_global_permission admin_perm_name = permissions.PRODUCT_ADMIN.name@@ -180,7 +185,8 @@ class ThriftProductHandler: 'productID': prod.id} if permissions.require_permission( permissions.PRODUCT_ADMIN,- args, self.__auth_session):+ args, self.__auth_session,+ self.__server.manager.is_enabled): return True return Falseindex 26613ce..33aba1a 100644@@ -1480,7 +1480,7 @@ class ThriftRequestHandler: "You are not authorized to execute this action.") if not any(permissions.require_permission(- perm, args, self._auth_session)+ perm, args, self._auth_session, self._manager.is_enabled) for perm in required): raise codechecker_api_shared.ttypes.RequestFailed( codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED,index dc2a1fb..a038eb0 100644@@ -114,9 +114,11 @@ class ThriftTaskHandler: def __init__(self, configuration_database_sessionmaker, task_manager: TaskManager,+ session_manager, auth_session): self._config_db = configuration_database_sessionmaker self._task_manager = task_manager+ self._session_manager = session_manager self._auth_session = auth_session def _get_username(self) -> Optional[str]:@@ -156,13 +158,15 @@ class ThriftTaskHandler: permissions.PRODUCT_ADMIN, {"config_db_session": session, "productID": associated_product.id},- self._auth_session)+ self._auth_session,+ self._session_manager.is_enabled) if not has_right_to_query_status: has_right_to_query_status = permissions.require_permission( permissions.SUPERUSER, {"config_db_session": session},- self._auth_session)+ self._auth_session,+ self._session_manager.is_enabled) if not has_right_to_query_status: raise RequestFailed(@@ -299,7 +303,8 @@ class ThriftTaskHandler: has_superuser = permissions.require_permission( permissions.SUPERUSER, {"config_db_session": session},- self._auth_session)+ self._auth_session,+ self._session_manager.is_enabled) if not has_superuser: continue else:@@ -314,7 +319,8 @@ class ThriftTaskHandler: permissions.PRODUCT_ADMIN, {"config_db_session": session, "productID": db_task.product_id},- self._auth_session)+ self._auth_session,+ self._session_manager.is_enabled) if not product_admin_rights[db_task.product_id]: continue @@ -336,7 +342,8 @@ class ThriftTaskHandler: if not permissions.require_permission( permissions.SUPERUSER, {"config_db_session": session},- self._auth_session):+ self._auth_session,+ self._session_manager.is_enabled): raise RequestFailed( ErrorCode.UNAUTHORIZED, "cancelTask() requires server-level SUPERUSER rights.")index 07df5cc..35f70d3 100644@@ -198,17 +198,29 @@ class PermissionHandler(metaclass=ABCMeta): self._perm_name, 'group' if is_group else 'user', auth_name) - def has_permission(self, auth_session):+ def has_permission(self, auth_session, authentication_enabled=True): """ Returns whether or not the given authenticated user session (or None, if authentication is disabled on the server!) is given the current permission.++ :param auth_session: The authenticated session object, or None if+ the user is not authenticated.+ :param authentication_enabled: If True, authentication is enabled+ on the server. If authentication is enabled and auth_session is+ None, the user is denied all permissions. If authentication is+ disabled and auth_session is None, all permissions are granted. """ if not auth_session:- # If the user does not have an auth_session it means it is a guest- # and the server is running in authentication disabled mode.- # All permissions are automatically granted in this case.- return True+ if authentication_enabled:+ # If authentication is enabled and the user does not have an+ # auth_session, the user is not authenticated and should be+ # denied all permissions.+ return False+ else:+ # If the user does not have an auth_session and authentication+ # is disabled, it is a guest and all permissions are granted.+ return True elif auth_session.is_root and self._perm_name == 'SUPERUSER': # The special master superuser (root) automatically has the@@ -644,17 +656,23 @@ def initialise_defaults(scope, extra_params): handler._rem_perm_impl('*', False) -def require_permission(permission, extra_params, user):+def require_permission(permission, extra_params, user,+ authentication_enabled=True): """ Returns whether or not the given user has the given permission. :param extra_params: The scope-specific argument dict, which already contains a valid database session.+ :param user: The authenticated session object, or None if the user is+ not authenticated.+ :param authentication_enabled: If True, authentication is enabled on+ the server. If authentication is enabled and user is None, the user+ is denied all permissions. """ handler = handler_from_scope_params(permission, extra_params)- if handler.has_permission(user):+ if handler.has_permission(user, authentication_enabled): return True # If the user for some reason does not have the permission directly@@ -663,7 +681,7 @@ def require_permission(permission, extra_params, user): while ancestors: handler = handler_from_scope_params(ancestors[0], extra_params) - if handler.has_permission(user):+ if handler.has_permission(user, authentication_enabled): return True else: ancestors = ancestors[1:] + ancestors[0].inherited_from@@ -671,19 +689,25 @@ def require_permission(permission, extra_params, user): return False -def require_manager(permission, extra_params, user):+def require_manager(permission, extra_params, user,+ authentication_enabled=True): """ Returns whether or not the given user has rights to manage the given permission. :param extra_params: The scope-specific argument dict, which already contains a valid database session.+ :param user: The authenticated session object, or None if the user is+ not authenticated.+ :param authentication_enabled: If True, authentication is enabled on+ the server. If authentication is enabled and user is None, the user+ is denied all permissions. """ for manager in permission.managed_by: manager_handler = handler_from_scope_params(manager, extra_params)- if manager_handler.has_permission(user):+ if manager_handler.has_permission(user, authentication_enabled): return True return Falseindex fab6925..9415242 100644@@ -468,6 +468,7 @@ class RequestHandler(SimpleHTTPRequestHandler): task_handler = TaskHandler_v6( self.server.config_session, self.server.task_manager,+ self.server.manager, self.auth_session) processor = TaskAPI_v6.Processor(task_handler) elif request_endpoint == "CodeCheckerService": Trajectory
- tool
The user wants me to analyze a Python project called `codechecker` for a security vulnerability related to CWE-863 (Incorrect Authorization). Let me start by exploring the codebase to understand its structure and find any potential authorization issues. First, let me explore the repository structure.
$ find ~ -type f -name "*.py" 2>/dev/null | head -50 - tool
Let me check the current directory and find the codechecker project.
$ ls -latotal 168 drwxr-xr-x 1 961926563 961926563 4096 May 31 06:05 . drwxr-xr-x 1 root root 4096 May 31 06:06 .. -rw-r--r-- 1 961926563 961926563 632 May 18 08:38 .dockerignore -rw-r--r-- 1 961926563 961926563 320 May 18 08:38 .editorconfig drwxr-xr-x 8 root root 4096 May 31 06:05 .git drwxr-xr-x 4 961926563 961926563 4096 May 18 08:38 .github -rw-r--r-- 1 961926563 961926563 610 May 18 08:39 .gitignore -rw-r--r-- 1 961926563 961926563 1689 May 18 08:38 .gitmessage -rw-r--r-- 1 961926563 961926563 23275 May 18 08:38 .pylintrc -rw-r--r-- 1 961926563 961926563 … [truncated 1404 chars] - tool
This is the codechecker repository. Let me explore the structure more and look for authorization-related code, especially in the web directory since that's typically where API endpoints and authentication/authorization logic would be.
$ ls -la web/total 56 drwxr-xr-x 10 961926563 961926563 4096 May 18 08:39 . drwxr-xr-x 1 961926563 961926563 4096 May 31 06:05 .. -rw-r--r-- 1 961926563 961926563 5380 May 18 08:38 Makefile drwxr-xr-x 4 961926563 961926563 4096 May 18 08:39 api drwxr-xr-x 4 961926563 961926563 4096 May 18 08:38 client drwxr-xr-x 5 961926563 961926563 4096 May 18 08:38 codechecker_web drwxr-xr-x 2 961926563 961926563 4096 May 18 08:39 config drwxr-xr-x 4 961926563 961926563 4096 May 18 08:39 docker -rw-r--r-- 1 961926563 961926563 236 May 18 08:38 pytest.ini -rw-r--r-- 1 961926563 961926563 676 May 18 08:39 requi … [truncated 197 chars] - tool
Let me look at the server directory as that's where authentication and authorization logic would typically be.
$ ls -la web/server/total 24 drwxr-xr-x 6 961926563 961926563 4096 May 18 08:38 . drwxr-xr-x 10 961926563 961926563 4096 May 18 08:39 .. drwxr-xr-x 8 961926563 961926563 4096 May 18 08:39 codechecker_server drwxr-xr-x 2 961926563 961926563 4096 May 18 08:38 config drwxr-xr-x 3 961926563 961926563 4096 May 18 08:39 tests drwxr-xr-x 5 961926563 961926563 4096 May 18 08:39 vue-cli - tool
Let me look at the codechecker_server directory for authentication and authorization code.
$ ls -la web/server/codechecker_server/total 212 drwxr-xr-x 8 961926563 961926563 4096 May 18 08:39 . drwxr-xr-x 6 961926563 961926563 4096 May 18 08:38 .. -rw-r--r-- 1 961926563 961926563 343 May 18 08:38 __init__.py drwxr-xr-x 2 961926563 961926563 4096 May 18 08:39 api drwxr-xr-x 2 961926563 961926563 4096 May 18 08:38 auth drwxr-xr-x 2 961926563 961926563 4096 May 18 08:39 cli drwxr-xr-x 2 961926563 961926563 4096 May 18 08:39 database -rw-r--r-- 1 961926563 961926563 4723 May 18 08:38 instance_manager.py -rw-r--r-- 1 961926563 961926563 10108 May 18 08:38 metadata.py drwxr-xr-x 4 961926563 961926563 4096 May 18 08:38 … [truncated 469 chars] - tool
I can see there's an auth directory and permissions.py file. Let me examine these files for authorization-related code, specifically looking for CWE-863 issues (Incorrect Authorization).
$ cat web/server/codechecker_server/permissions.py…not auth_names: return False # Compare authorization names in a case insensitive way. auth_names_lower = [name.lower() for name in auth_names] ProdPerm = CONFIG_DB_MODEL.ProductPermission query = self.__session. \ query(ProdPerm). \ filter(and_( ProdPerm.permission == self._perm_name, ProdPerm.product_id == self.__product_id, func.lower(ProdPerm.name).in_(auth_names_lower), ProdPerm.is_group.is_(are_groups) … [truncated 7593 chars] - tool
Let me look at the server.py file as it likely contains the main request handling and authorization logic.
$ cat web/server/codechecker_server/server.py | head -200# ------------------------------------------------------------------------- # # Part of the CodeChecker project, under the Apache License v2.0 with # LLVM Exceptions. See LICENSE for license information. # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # # ------------------------------------------------------------------------- """ Main server starts a http server which handles Thrift client and browser requests. """ import atexit from collections import Counter from functools import partial from http.server import HTTPServer, SimpleHTTPRequestHandler import os import pathlib im … [truncated 7046 chars] - tool
Let me look at the API handlers for authentication and authorization. Let me first look at the auth directory.
$ cat web/server/codechecker_server/auth/__init__.py# ------------------------------------------------------------------------- # # Part of the CodeChecker project, under the Apache License v2.0 with # LLVM Exceptions. See LICENSE for license information. # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # # ------------------------------------------------------------------------- - tool
Let me look at the session_manager.py file which handles authentication.
$ cat web/server/codechecker_server/session_manager.py…ty groups that user is part of. """ if groups is None: groups = [] LOG.debug(f"Groups assigned to oauth_session: {groups}") if not self.__is_method_enabled('oauth'): return False providers = self.__auth_config.get( 'method_oauth', {}).get("providers", {}) if provider not in providers or \ not providers.get(provider).get('enabled'): return False # Generate a new token and create a local session. codechecker_session_token = generate_session_token() # To b … [truncated 7593 chars] - tool
Let me look at the API handlers that may contain authorization checks. I need to look at the handlers in the api directory.
$ ls -la web/server/codechecker_server/api/total 364 drwxr-xr-x 2 961926563 961926563 4096 May 18 08:39 . drwxr-xr-x 8 961926563 961926563 4096 May 18 08:39 .. -rw-r--r-- 1 961926563 961926563 343 May 18 08:38 __init__.py -rw-r--r-- 1 961926563 961926563 35880 May 18 08:39 authentication.py -rw-r--r-- 1 961926563 961926563 1549 May 18 08:38 common.py -rw-r--r-- 1 961926563 961926563 3368 May 18 08:38 config_handler.py -rw-r--r-- 1 961926563 961926563 74798 May 18 08:39 mass_store_run.py -rw-r--r-- 1 961926563 961926563 31934 May 18 08:39 product_server.py -rw-r--r-- 1 961926563 961926563 1016 May 18 08:38 report_annotat … [truncated 291 chars] - tool
Let me look at the authentication.py file as it may have the authentication handler and potentially authorization issues.
$ cat web/server/codechecker_server/api/authentication.py… def removePermission(self, permission, auth_name, is_group, extra_params): """ Removes the given permission from the user or group auth_name. """ with DBSession(self.__config_db) as session: perm, params = ThriftAuthHandler.__create_permission_args( permission, extra_params, session) if not require_manager(perm, params, self.__auth_session): raise codechecker_api_shared.ttypes.RequestFailed( codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, f"You can not mana … [truncated 7593 chars] - tool
Let me look at the product_server.py file for authorization issues. Let me also look at the report_server.py file as it might have more authorization checks. Let me look at the product_server.py file first.
$ cat web/server/codechecker_server/api/product_server.py…ed databases, make all paths relative. To create a # SQLite-backed product in a different directory, we follow # symlinks, but not when storing the path. Old absolute paths are # preserved as is, if they are unchanged. old_args = SQLServer.connection_string_to_args(product.connection) if dbc.engine == 'sqlite' and dbc.database != old_args['sqlite']: if os.path.isabs(dbc.database): raise codechecker_api_shared.ttypes.RequestFailed( codechecker_api_shared.ttypes.ErrorCode.DAT … [truncated 7593 chars] - tool
Let me look at the report_server.py file for more authorization checks. This is likely where most of the access control logic is located. Let me also search for CWE-863 related code patterns.
$ cat web/server/codechecker_server/api/report_server.py | head -400…ssion: DBSession, component_name: str ) -> Tuple[List[str], List[str]]: """ Get component values by component names and returns a tuple where the first item contains a list path which should be skipped and the second item contains a list of path which should be included. E.g.: +/a/b/x.cpp +/a/b/y.cpp -/a/b On the above component value this function will return the following: (['/a/b'], ['/a/b/x.cpp', '/a/b/y.cpp']) """ components = session.query(SourceComponent) \ .filter(SourceComponent.name.like(component_name)) \ . … [truncated 7593 chars] - tool
Let me search for authorization-related code patterns in the codebase. Let me look for places where authorization checks might be skipped or where unauthenticated access might be allowed. Let me search for patterns like: - `is_enabled` checks - `auth_session` checks - unauthorized access patterns
$ grep -rn "is_enabled" web/server/codechecker_server/ --include="*.py" | head -40web/server/codechecker_server/session_manager.py:522: def is_enabled(self): web/server/codechecker_server/session_manager.py:1100: if not self.is_enabled: web/server/codechecker_server/api/authentication.py:73: if self.__manager.is_enabled and not self.__auth_session: web/server/codechecker_server/api/authentication.py:101: return HandshakeInformation(self.__manager.is_enabled, alive) web/server/codechecker_server/api/report_server.py:1372:def get_is_enabled_case(subquery): web/server/codechecker_server/api/report_server.py:1477: if self._manager.is_enabled a … [truncated 1485 chars] - tool
Let me look at the config_handler.py file since it seems to check for authentication/enabled status.
$ cat web/server/codechecker_server/api/config_handler.py# ------------------------------------------------------------------------- # # Part of the CodeChecker project, under the Apache License v2.0 with # LLVM Exceptions. See LICENSE for license information. # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # # ------------------------------------------------------------------------- """ Handle Thrift requests for configuration. """ import codechecker_api_shared from codechecker_common.logger import get_logger from codechecker_server.profiler import timeit from codechecker_web.shared import convert from ..database.config_db_model … [truncated 2768 chars] - tool
Now let me look at the server.py file more carefully to see how the request handling and authorization works. Let me look for the `__check_session_header` method and how it handles unauthenticated requests.
$ grep -n "__check_session_header\|auth_session\|is_enabled" web/server/codechecker_server/server.py | head -5088: auth_session = None 117: def __check_session_header(self): 125: if not self.server.manager.is_enabled: 217: if self.auth_session: 219: user_name = self.auth_session.user 384: self.auth_session = self.__check_session_header() 386: self.auth_session.user if self.auth_session else "Anonymous" 414: if self.server.manager.is_enabled and \ 417: not self.auth_session: 446: self.auth_session, 451: self.auth_session, 462: self.auth_session, 471: … [truncated 94 chars] - tool
I see that in server.py, when authentication is enabled, the `auth_session` is set by `__check_session_header()`. Let me look at the full context of where `__check_session_header()` is used, and how permissions are checked. Let me look at the relevant part of server.py more carefully.
$ nl -ba web/server/codechecker_server/server.py | sed -n '375,500p'375 itrans = TTransport.TFileObjectTransport(self.rfile) 376 itrans = TTransport.TBufferedTransport(itrans, 377 int(self.headers[ 378 'Content-Length'])) 379 iprot = input_protocol_factory.getProtocol(itrans) 380 fname, _, _ = iprot.readMessageBegin() 381 382 client_host, client_port, is_ipv6 = \ 383 RequestHandler._get_client_host_port(self.client_address) 384 self.auth_session = self.__check_session_header … [truncated 6455 chars] - tool
Now let me look at the ReportHandler_v6 class in report_server.py to see how permissions are checked there. Let me also look for potential vulnerabilities related to CWE-863. CWE-863 is about "Incorrect Authorization" - the software does not properly check if a user has the right level of authorization to perform certain operations. This could mean: 1. Incorrectly granting access when it should b … [truncated 186 chars]
$ grep -n "__require_permission\|require_permission\|has_permission" web/server/codechecker_server/api/report_server.py | head -301465: def __require_permission(self, required): 1482: if not any(permissions.require_permission( 1492: self.__require_permission([permissions.PRODUCT_ADMIN]) 1495: self.__require_permission([permissions.PRODUCT_ACCESS]) 1498: self.__require_permission([permissions.PRODUCT_STORE]) 1501: self.__require_permission([ 2477: self.__require_permission([permissions.PRODUCT_ACCESS, 2612: self.__require_permission([permissions.PRODUCT_ACCESS, - tool
Let me look at the `__require_permission` method in the report_server.py file:
$ nl -ba web/server/codechecker_server/api/report_server.py | sed -n '1460,1510p'1460 """ 1461 Returns the actually logged in user name. 1462 """ 1463 return self._auth_session.user if self._auth_session else "Anonymous" 1464 1465 def __require_permission(self, required): 1466 """ 1467 Helper method to raise an UNAUTHORIZED exception if the user does not 1468 have any of the given permissions. 1469 """ 1470 1471 with DBSession(self._config_database) as session: 1472 args = dict(self.__permission_args) 1473 args['config_db_session'] = session 1 … [truncated 1680 chars] - tool
Let me now look at specific methods in report_server.py that might have authorization issues. Let me also check what `getAuthenticatedUser` does when authentication is not enabled. I should look at the method that is not properly handling the case when authentication is enabled but a user hasn't authenticated. Let me look for places where authorization might be bypassed incorrectly. Let me searc … [truncated 154 chars]
$ grep -n "is_enabled" web/server/codechecker_server/api/report_server.py1372:def get_is_enabled_case(subquery): 1477: if self._manager.is_enabled and not self._auth_session: 3105: is_enabled_case = get_is_enabled_case(subquery) 3115: is_enabled_case.label("isEnabled"), 3125: is_enabled_case, 3137: is_enabled, \ 3154: if is_enabled: 3164: if is_enabled and is_opened: - tool
Let me look at the server_info_handler.py file to see how it handles authorization.
$ cat web/server/codechecker_server/api/server_info_handler.py# ------------------------------------------------------------------------- # # Part of the CodeChecker project, under the Apache License v2.0 with # LLVM Exceptions. See LICENSE for license information. # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # # ------------------------------------------------------------------------- """ Handle Thrift requests for server info. """ from codechecker_common.logger import get_logger from codechecker_server.profiler import timeit LOG = get_logger('server') # These names are inherited from Thrift stubs. # pylint: disable=invalid-name clas … [truncated 306 chars] - tool
Let me look for more authorization patterns. Let me search for patterns where `getLoggedInUser` is used incorrectly. Let me also search for issues where an unauthenticated user might get access to protected resources. Let me look at the tasks.py file for authorization patterns.
$ cat web/server/codechecker_server/api/tasks.py… "product) requires SUPERUSER privileges!") if filters.productIDs: no_admin_products = [ prod_id for prod_id in filters.productIDs if not permissions.require_permission( permissions.PRODUCT_ADMIN, {"config_db_session": session, "productID": prod_id}, self._auth_session)] if no_admin_products: no_admin_products = [session.get(Product, product_id) .endpoint … [truncated 7593 chars] - tool
Now let me search for potential authorization issues. CWE-863 specifically deals with incorrect authorization. Let me look for patterns where authorization might be bypassed when it shouldn't be. Let me search for the pattern of checking if authentication is enabled, but the check might not be working correctly. Let me look at how `permissions.require_permission` is called and if there's any iss … [truncated 294 chars]
$ grep -n "Anonymous\|anonymous" web/server/codechecker_server/ -r --include="*.py"web/server/codechecker_server/api/report_server.py:1463: return self._auth_session.user if self._auth_session else "Anonymous" web/server/codechecker_server/api/report_server.py:1475: # Anonymous access is only allowed if authentication is web/server/codechecker_server/api/report_server.py:2723: if comment.author not in ('Anonymous', user): web/server/codechecker_server/api/report_server.py:2768: if comment.author not in ('Anonymous', user): web/server/codechecker_server/api/product_server.py:79: # Anonymous access is only allowed if a … [truncated 1486 chars] - tool
Let me look at the permissions.py file to understand how anonymous users are handled in the permissions system. I noticed that in line 142 of permissions.py, there's a reference to 'Anonymous' user. Let me check this more carefully.
$ nl -ba web/server/codechecker_server/permissions.py | sed -n '130,200p'130 # as the server already executed loading the config_db_model, 131 # so we just set the name to properly point to the module object. 132 global CONFIG_DB_MODEL 133 if CONFIG_DB_MODEL is None: 134 LOG.debug("Handler initiated for first time, loading ORM...") 135 from .database import config_db_model as ConfigDB 136 CONFIG_DB_MODEL = ConfigDB 137 138 # These high-level methods are used by client code. These contain 139 # control flow that are shared for every permission handler 140 … [truncated 3082 chars] - tool
Let me look at the has_permission method in the SystemPermission handler class:
$ nl -ba web/server/codechecker_server/permissions.py | sed -n '200,300p'200 201 def has_permission(self, auth_session): 202 """ 203 Returns whether or not the given authenticated user session 204 (or None, if authentication is disabled on the server!) is given 205 the current permission. 206 """ 207 if not auth_session: 208 # If the user does not have an auth_session it means it is a guest 209 # and the server is running in authentication disabled mode. 210 # All permissions are automatically granted in this case. 211 return True … [truncated 3567 chars] - tool
This is interesting! I see that in the `has_permission` method (lines 201-228), when `auth_session` is None (line 207-211), it automatically grants all permissions: ```python if not auth_session: # If the user does not have an auth_session it means it is a guest # and the server is running in authentication disabled mode. # All permissions are automatically granted in this case. r … [truncated 876 chars]
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '80,130p'80 Checks if the curret user has PERMISSION_VIEW rights. Throws an 81 exception if it is not. 82 """ 83 permission = codechecker_api_shared.ttypes.Permission.PERMISSION_VIEW 84 if not self.__has_permission(permission): 85 raise codechecker_api_shared.ttypes.RequestFailed( 86 codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, 87 "You are not authorized to execute this action.") 88 89 @timeit 90 def checkAPIVersion(self): 91 # This is a deliberat … [truncated 1613 chars] - tool
Let me look at the `__has_permission` method in authentication.py more carefully:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '61,95p'61 """ 62 Checks if privilaged access is enabled for the server. Throws an 63 exception if it is not. 64 """ 65 if not self.getLoggedInUser(): 66 raise codechecker_api_shared.ttypes.RequestFailed( 67 codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, 68 "The server must be start by using privilaged access to " 69 "execute this action.") 70 71 def __has_permission(self, permission) -> bool: 72 """ True if the current user has given p … [truncated 1092 chars] - tool
I see that in the `__has_permission` method: 1. If authentication is enabled and there's no auth_session, it returns False (access denied) 2. Otherwise, it calls `hasPermission(permission, None)` Now let me look at `hasPermission` to see how it handles the permissions:
$ grep -n "def hasPermission\|def requestAccessToken\|def getAccessControl\|def removeAuthParam" web/server/codechecker_server/api/authentication.py112: def getAccessControl(self): 693: def hasPermission(self, permission, extra_params): - tool
Let me look at the `hasPermission` method in authentication.py:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '693,750p'693 def hasPermission(self, permission, extra_params): 694 """ 695 Returns whether or not the current logged-in user (or guest, if 696 authentication is disabled) is granted the given permission. 697 698 This method observes permission inheritance. 699 """ 700 701 with DBSession(self.__config_db) as session: 702 perm, params = ThriftAuthHandler.__create_permission_args( 703 permission, extra_params, session) 704 705 return require_permission(perm, params, 706 … [truncated 2076 chars] - tool
Let me look at the `getAccessControl` method in authentication.py, which seems to be checking permissions:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '111,180p'111 @timeit 112 def getAccessControl(self): 113 self.__require_permission_view() 114 115 with DBSession(self.__config_db) as session: 116 global_permissions = Permissions( 117 user=defaultdict(list), 118 group=defaultdict(list)) 119 120 q = session.query(SystemPermission).all() 121 for system_permission in q: 122 name = system_permission.name 123 perm = system_permission.permission 124 if system_permission.is_gro … [truncated 2846 chars] - tool
Let me look at the `isProductAdmin` method in authentication.py since it might be related to authorization:
$ grep -n "def isProductAdmin\|def getPermissions\|def getPackage" web/server/codechecker_server/api/authentication.py573: def getPermissions(self, scope): 582: def getPermissionsForUser(self, scope, extra_params, perm_filter): - tool
Let me look at getPermissions and getPermissionsForUser methods:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '573,620p'573 def getPermissions(self, scope): 574 """ 575 Returns all the defined permissions in the given permission scope. 576 """ 577 578 return [permissions.api_enum_for_permission(p) 579 for p in permissions.get_permissions(scope)] 580 581 @timeit 582 def getPermissionsForUser(self, scope, extra_params, perm_filter): 583 """ 584 Returns the permissions in the given permission scope and with the 585 given scope-specific extra_params for the current logged in user, 586 … [truncated 1698 chars] - tool
Now let me look more closely at the `permissions.require_permission` function. This seems to be a key part for authorization checking: Let me check the require_permission function:
$ grep -n "def require_permission" web/server/codechecker_server/permissions.py647:def require_permission(permission, extra_params, user): - tool
Let me look at the require_permission function:
$ nl -ba web/server/codechecker_server/permissions.py | sed -n '647,690p'647 def require_permission(permission, extra_params, user): 648 """ 649 Returns whether or not the given user has the given permission. 650 651 :param extra_params: The scope-specific argument dict, which already 652 contains a valid database session. 653 """ 654 655 handler = handler_from_scope_params(permission, 656 extra_params) 657 if handler.has_permission(user): 658 return True 659 660 # If the user for some reason does not have the permission directly 661 … [truncated 1118 chars] - tool
Now I understand the pattern better. Let me look for the specific vulnerability. The issue is CWE-863, which is "Incorrect Authorization". Let me search for patterns where: 1. A permission check might be skipped when it shouldn't be 2. Authorization might be incorrectly granted Let me examine the server.py file for how it handles requests to specific endpoints when authentication is enabled. One … [truncated 493 chars]
$ nl -ba web/server/codechecker_server/server.py | sed -n '117,170p'117 def __check_session_header(self): 118 """ 119 Check the CodeChecker privileged access cookie in the request headers. 120 121 :returns: A session_manager._Session object if a correct, valid session 122 cookie was found in the headers. None, otherwise. 123 """ 124 125 if not self.server.manager.is_enabled: 126 return None 127 128 session = None 129 # Check if the user has presented a bearer token for authentication. 130 token = self.headers.get("Authorization") … [truncated 2126 chars] - tool
Let me look at the mass_store_run.py file since it seems to be a key file for storing reports and might have authorization checks: Let me also search for specific patterns related to CWE-863. The description says "The software does not perform an authorization check or uses an incorrect algorithm to verify that a user may access certain features or resources." Let me look at how `mass_store_run. … [truncated 27 chars]
$ grep -n "is_enabled\|auth_session\|require_permission" web/server/codechecker_server/api/mass_store_run.py | head -30988: analysis_info, db_checkers[chk], is_enabled) 989: for chk, is_enabled - tool
Let me look at mass_store_run.py more carefully for any authorization checks:
$ head -200 web/server/codechecker_server/api/mass_store_run.py…eport_server`, but factored out here for readability. """ import base64 from collections import defaultdict from datetime import datetime, timedelta from hashlib import sha256 import json import os from pathlib import Path import sqlalchemy import tempfile import time from typing import Any, Callable, Dict, List, Optional, Set, Tuple, Union, \ cast import zipfile import zlib from codechecker_api_shared.ttypes import DBStatus, ErrorCode, RequestFailed from codechecker_api.codeCheckerDBAccess_v6 import ttypes from codechecker_common import skiplist_handler from codechecker_common.logger i … [truncated 7593 chars] - tool
Let me search for authorization patterns in mass_store_run.py that might be vulnerable: Let me also look for how the mass store run is called from report_server.py:
$ grep -n "massStoreRun\|mass_store" web/server/codechecker_server/api/report_server.py3998: def __massStoreRun_common(self, is_async: bool, zipfile_blob: str, 4008: from .mass_store_run import MassStoreRunInputHandler, MassStoreRunTask 4024: m: MassStoreRunTask = ih.create_mass_store_task(is_async) 4028: LOG.info("massStoreRun(): Blocking until task '%s' terminates ...", 4037: def massStoreRun(self, 4052: token = self.__massStoreRun_common(False, b64zip, store_opts) 4062: "massStoreRun()'s processing failed. Here follow " 4068: "the massStoreRun() request!") 4070: # Prior to CodeChecker 6.25.0 (A … [truncated 289 chars] - tool
Let me look at the __massStoreRun_common method to see how authorization is checked:
$ nl -ba web/server/codechecker_server/api/report_server.py | sed -n '3998,4095p'3998 def __massStoreRun_common(self, is_async: bool, zipfile_blob: str, 3999 store_opts: SubmittedRunOptions) -> str: 4000 self.__require_store() 4001 if not store_opts.runName: 4002 raise ValueError("A run name is needed to know where to store!") 4003 4004 if self._manager.background_worker_processes == 0: 4005 raise RequestFailed(ErrorCode.GENERAL, 4006 "No task worker process is available!") 4007 4008 from .mass_store_run import MassStoreRunInputH … [truncated 4690 chars] - tool
Let me look at the `getRepositoryPackages` method since it might be checking authorization:
$ grep -n "getRepository\|getPackage\|isEnabled\|checkServer" web/server/codechecker_server/api/authentication.py - tool
Let me search more carefully for authorization-related patterns in the entire codebase. Let me look for potential issues: 1. Look for places where permissions are checked only once 2. Look for places where auth_session might be None but access is still granted 3. Look for race conditions in permission checking Let me also search for where the API might be missing authorizationchecks:
$ grep -rn "is_enabled" web/server/codechecker_server/ --include="*.py" -A 3 -B 1 | head -100web/server/codechecker_server/session_manager.py-521- @property web/server/codechecker_server/session_manager.py:522: def is_enabled(self): web/server/codechecker_server/session_manager.py-523- return self.__auth_config.get('enabled') web/server/codechecker_server/session_manager.py-524- web/server/codechecker_server/session_manager.py-525- @property -- web/server/codechecker_server/session_manager.py-1099- web/server/codechecker_server/session_manager.py:1100: if not self.is_enabled: web/server/codechecker_server/session_manager.py-1101- return None web/serve … [truncated 7323 chars] - tool
Let me look for any place where authorization might be incorrectly handled. The issue might be in the way the `has_permission` function handles None sessions. Let me look at the specific case where the handler returns True for an unauthenticated user:
$ nl -ba web/server/codechecker_server/permissions.py | sed -n '201,230p'201 def has_permission(self, auth_session): 202 """ 203 Returns whether or not the given authenticated user session 204 (or None, if authentication is disabled on the server!) is given 205 the current permission. 206 """ 207 if not auth_session: 208 # If the user does not have an auth_session it means it is a guest 209 # and the server is running in authentication disabled mode. 210 # All permissions are automatically granted in this case. 211 return True 212 … [truncated 920 chars] - tool
I see a potential issue here. The `has_permission` method in line 207-211 automatically grants all permissions if `auth_session` is None. This assumes that if there's no auth_session, it means authentication is disabled on the server. However, this could be incorrect in some scenarios: 1. Authentication is enabled, but the user doesn't have a session - but the code is granting access 2. But wait, … [truncated 1328 chars]
$ grep -n "def getProduct\|def getProducts\|def addProduct\|def removeProduct" web/server/codechecker_server/api/product_server.py189: def getProducts(self, product_endpoint_filter, product_name_filter): 263: def getProductConfiguration(self, product_id): 390: def addProduct(self, product): 759: def removeProduct(self, product_id): - tool
Let me look at the getProducts method in product_server.py:
$ nl -ba web/server/codechecker_server/api/product_server.py | sed -n '189,265p'189 def getProducts(self, product_endpoint_filter, product_name_filter): 190 """ 191 Get the list of products configured on the server. 192 """ 193 194 result = [] 195 196 with DBSession(self.__session) as session: 197 prods = session.query(Product) 198 199 num_all_products = prods.count() # prods get filtered later. 200 if num_all_products < self.__server.num_products: 201 # It can happen that a product gets removed from the 202 # config … [truncated 2934 chars] - tool
I see that `getProducts` and `getCurrentProduct` call `__get_product` which might have permission checks, but they don't explicitly check for authentication first. Let me look at the `__get_product` method more closely to see how it handles permissions:
$ nl -ba web/server/codechecker_server/api/product_server.py | sed -n '102,190p'102 self.__auth_session): 103 return True 104 105 return False 106 107 def __get_product(self, session, product): 108 """ 109 Retrieve the product connection object and create a Thrift Product 110 object for the given product record in the database. 111 """ 112 113 server_product = self.__server.get_product(product.endpoint) 114 if not server_product: 115 LOG.info("Product '%s' was found in the configuration " 116 … [truncated 3415 chars] - tool
I see that `__get_product` calls `permissions.require_permission` and passes `self.__auth_session`. Let me look at the `require_permission` function more closely. Let me also look at what happens when authentication is enabled but no session is present. The issue might be that when `auth_session` is None and `is_enabled` is True, the `has_permission` function still grants access because of the ea … [truncated 3314 chars]
$ nl -ba web/server/codechecker_server/api/product_server.py | sed -n '66,105p'66 def __require_permission(self, required, args=None): 67 """ 68 Helper method to raise an UNAUTHORIZED exception if the user does not 69 have any of the given permissions. 70 """ 71 72 with DBSession(self.__session) as session: 73 if args is None: 74 args = dict(self.__permission_args) 75 76 if 'config_db_session' not in args: 77 args['config_db_session'] = session 78 79 # Anonymous access is only allowed if authentication … [truncated 1357 chars] - tool
I see the issue now. The `__require_permission` method (lines 66-93) correctly checks if authentication is enabled and denies access if there's no auth_session. However, `getProducts` does NOT call `__require_permission`. It calls `__get_product` which calls `permissions.require_permission` directly. Let me trace through what happens when `getProducts` is called by an unauthenticated user: 1. ` … [truncated 2711 chars]
$ grep -n "getProducts\|getCurrentProduct\|isAdministratorOfAnyProduct" web/server/codechecker_server/server.py - tool
Let me check what happens with the 'Products' endpoint in the routing logic:
$ grep -n "Products\|product" web/server/codechecker_server/server.py | head -3061:from .api.product_server import ThriftProductHandler as ProductHandler_v6 70:from .product import Product 274: - if the requested path contains a product endpoint name 304: product_endpoint, _ = routing.split_client_GET_request(self.path) 306: # Check that path contains a product endpoint. 307: if product_endpoint is not None and product_endpoint != '': 308: self.path = self.path.replace(f"{product_endpoint}/", "", 1) 321: def __check_prod_db(self, product_endpoint): 323: Check the product database status. 330: product = self.server.g … [truncated 1182 chars] - tool
Let me look at the line 459 and onwards where the Products endpoint is handled:
$ nl -ba web/server/codechecker_server/server.py | sed -n '410,480p'410 411 # Only Authentication, Configuration, ServerInof 412 # endpoints are allowed for Anonymous users 413 # if authentication is required. 414 if self.server.manager.is_enabled and \ 415 request_endpoint not in \ 416 ['Authentication', 'Configuration', 'ServerInfo'] and \ 417 not self.auth_session: 418 # Bail out if the user is not authenticated... 419 # This response has the possibility of melting down Thrift clients, 420 # but the user is ex … [truncated 3514 chars] - tool
Now I see the issue clearly: In server.py lines 414-428, the check allows unauthenticated access only to 'Authentication', 'Configuration', and 'ServerInfo' endpoints when authentication is enabled. The 'Products' endpoint is NOT in this list, so if authentication is enabled and the user has no auth_session, their request to the 'Products' endpoint should be rejected. However, looking at the co … [truncated 2432 chars]
$ cat web/server/codechecker_server/api/config_handler.py# ------------------------------------------------------------------------- # # Part of the CodeChecker project, under the Apache License v2.0 with # LLVM Exceptions. See LICENSE for license information. # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # # ------------------------------------------------------------------------- """ Handle Thrift requests for configuration. """ import codechecker_api_shared from codechecker_common.logger import get_logger from codechecker_server.profiler import timeit from codechecker_web.shared import convert from ..database.config_db_model … [truncated 2768 chars] - tool
I see that `getNotificationBannerText` doesn't have an authentication check. It's a read-only operation and might not need authentication. Let me look at the Tasks endpoint in server.py to see if there are any issues:
$ nl -ba web/server/codechecker_server/api/tasks.py | sed -n '130,180p'130 def getTaskInfo(self, token: str) -> TaskInfo: 131 """ 132 Returns the `TaskInfo` for the task identified by `token`. 133 """ 134 with DBSession(self._config_db) as session: 135 db_task: Optional[DBTask] = session.get(DBTask, token) 136 if not db_task: 137 raise RequestFailed(ErrorCode.GENERAL, 138 f"Task '{token}' does not exist!") 139 140 has_right_to_query_status: bool = False 141 should_set_consumed_flag: bool = Fal … [truncated 1962 chars] - tool
I see that `getTaskInfo` checks permissions correctly - it checks if the user is the task submitter, or has PRODUCT_ADMIN, or is a SUPERUSER. Let me look at the `checkAPIVersion` method in authentication.py since it might be an issue: Looking at line 90-93 of authentication.py: ```python @timeit def checkAPIVersion(self): # This is a deliberate empty call which if succeeds, marks for the … [truncated 3696 chars]
$ grep -n "checkAPIVersion" web/server/codechecker_server/api/authentication.py90: def checkAPIVersion(self): - tool
Let me look at the Thrift definition for checkAPIVersion to see if it should return something: Actually, I should look at the issue from a different angle. Let me search for CWE-863 related patterns more systematically. CWE-863 is "Incorrect Authorization" and the description mentions: - The software does not perform an authorization check or uses an incorrect algorithm to verify that a user may … [truncated 941 chars]
$ cat web/server/codechecker_server/api/server_info_handler.py# ------------------------------------------------------------------------- # # Part of the CodeChecker project, under the Apache License v2.0 with # LLVM Exceptions. See LICENSE for license information. # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # # ------------------------------------------------------------------------- """ Handle Thrift requests for server info. """ from codechecker_common.logger import get_logger from codechecker_server.profiler import timeit LOG = get_logger('server') # These names are inherited from Thrift stubs. # pylint: disable=invalid-name clas … [truncated 306 chars] - tool
This is just returning the package version, which is not a security-sensitive operation. Let me look at the product_server.py more carefully for potential authorization issues: Looking at the code flow for `getProducts`: 1. server.py allows unauthenticated access to 'Products' endpoint when authentication is disabled 2. When authentication is enabled, 'Products' endpoint is NOT in the allowed li … [truncated 1910 chars]
$ nl -ba web/server/codechecker_server/server.py | sed -n '115,170p'115 self.wfile.write(result) 116 117 def __check_session_header(self): 118 """ 119 Check the CodeChecker privileged access cookie in the request headers. 120 121 :returns: A session_manager._Session object if a correct, valid session 122 cookie was found in the headers. None, otherwise. 123 """ 124 125 if not self.server.manager.is_enabled: 126 return None 127 128 session = None 129 # Check if the user has presented a bearer token for authentication. 130 … [truncated 2174 chars] - tool
The `__check_session_header` method looks correct. It returns `None` if authentication is not enabled or if the session is invalid. Let me look at what happens when the user provides credentials but they are invalid: In `__check_session_header`: 1. If `is_enabled` is True, it checks for bearer tokens or cookies 2. If a token is found, it calls `get_session(token)` to validate it 3. If the sessio … [truncated 2744 chars]
$ grep -rn "auth_session\|__auth_session\|_auth_session" web/server/codechecker_server/server.py88: auth_session = None 217: if self.auth_session: 219: user_name = self.auth_session.user 384: self.auth_session = self.__check_session_header() 386: self.auth_session.user if self.auth_session else "Anonymous" 417: not self.auth_session: 446: self.auth_session, 451: self.auth_session, 462: self.auth_session, 471: self.auth_session) 492: self.auth_session, - tool
I see that `auth_session` is: 1. Initialized to `None` in line 88 (class variable) 2. Set from `__check_session_header()` in line 384 3. Used in various checks The `auth_session` is a class variable, not an instance variable. Let me verify this:
$ nl -ba web/server/codechecker_server/server.py | sed -n '85,95p'85 Handle thrift and browser requests 86 Simply modified and extended version of SimpleHTTPRequestHandler 87 """ 88 auth_session = None 89 90 def __init__(self, request, client_address, server): 91 self.path = None 92 super().__init__(request, client_address, server) 93 94 def log_message(self, *_args): 95 """Silencing HTTP server.""" - tool
I see that `auth_session` is a class variable. This is interesting because it means all instances of `RequestHandler` share the same `auth_session`. But this should be fine because each request is handled by a new instance. Actually wait, this is suspicious! If `auth_session` is a class variable, and it's set in `do_POST`, then for each new request, the class variable is reset. Let me look at w … [truncated 752 chars]
$ grep -rn "TODO\|FIXME\|XXX\|HACK\|XXX" web/server/codechecker_server/ --include="*.py" | grep -i "auth\|perm\|security"web/server/codechecker_server/session_manager.py:193: # FIXME: Refactor this. This is irrelevant to authentication config, web/server/codechecker_server/api/authentication.py:169: # TODO remove this purge sesisons system to another place - tool
These TODOs don't seem related to the authorization vulnerability. Let me search for any issues in the code related to the specific issue I'm looking for. Let me look at the tests to see if there are any tests for authorization:
$ find . -name "*.py" -exec grep -l "CWE-863\|CWE863\|authorization\|permission" {} \; 2>/dev/null | head -20./web/client/codechecker_client/helpers/authentication.py ./web/client/codechecker_client/permission_client.py ./web/client/codechecker_client/cli/store.py ./web/client/codechecker_client/cli/cmd.py ./web/server/codechecker_server/session_manager.py ./web/server/codechecker_server/api/authentication.py ./web/server/codechecker_server/api/tasks.py ./web/server/codechecker_server/api/report_server.py ./web/server/codechecker_server/api/product_server.py ./web/server/codechecker_server/api/config_handler.py ./web/server/codechecker_server/database/config_db_model.py ./web/server/codechecker_serve … [truncated 567 chars] - tool
Let me look at the tests directory to see if there are any tests related to authorization:
$ find web/server/codechecker_server/tests -name "*.py" -exec grep -l "auth\|permission" {} \; 2>/dev/null - tool
Let me look at the web/tests directory:
$ find web/tests -name "*.py" -exec grep -l "auth\|permission" {} \; 2>/dev/null | head -10web/tests/functional/review_status/test_review_status.py web/tests/functional/products/test_config_db_share.py web/tests/functional/products/test_products.py web/tests/functional/products/__init__.py web/tests/functional/db_cleanup/test_db_cleanup.py web/tests/functional/comment/test_comment.py web/tests/functional/ssl/test_ssl.py web/tests/functional/export_import/test_export_import.py web/tests/functional/authentication/test_permission_view.py web/tests/functional/authentication/oauth_server.py - tool
Let me look at the authentication tests to understand how authorization is tested:
$ cat web/tests/functional/authentication/test_permission_view.py# # ------------------------------------------------------------------------- # # Part of the CodeChecker project, under the Apache License v2.0 with # LLVM Exceptions. See LICENSE for license information. # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # # ------------------------------------------------------------------------- """ Tests for permission management. """ import json import os import subprocess import unittest from codechecker_api_shared.ttypes import Permission, RequestFailed from libtest import codechecker, env from . import setup_class_common, teardown_class_ … [truncated 6475 chars] - tool
This test file shows how permissions are tested. I see that `getAccessControl` requires authentication and proper permissions. Let me look at other tests related to products to see if there are any authorization tests:
$ cat web/tests/functional/products/test_products.py… "Product edit didn't conclude.") config = self._root_client.getProductConfiguration(product_id) self.assertEqual(config.endpoint, self.product_name, "The product edit changed the endpoint, when it " "shouldn't have!") self.assertEqual(config.displayedName_b64, new_name, "The product edit didn't change the name.") # Restore the configuration of the product. config.displayedName_b64 = old_name self.assertTrue(self._root_client.editProduct(product_id, … [truncated 7593 chars] - tool
I've looked through the tests, but they don't seem to show a clear vulnerability. Let me try a different approach - let me search for patterns where the authorization logic might be incorrect. Let me specifically look at the case where authentication is enabled but the user might be able to bypass authorization. Let me look at the getProducts method more carefully:
$ nl -ba web/server/codechecker_server/api/product_server.py | sed -n '189,230p'189 def getProducts(self, product_endpoint_filter, product_name_filter): 190 """ 191 Get the list of products configured on the server. 192 """ 193 194 result = [] 195 196 with DBSession(self.__session) as session: 197 prods = session.query(Product) 198 199 num_all_products = prods.count() # prods get filtered later. 200 if num_all_products < self.__server.num_products: 201 # It can happen that a product gets removed from the 202 # config … [truncated 1452 chars] - tool
I see that `getProducts` doesn't have an explicit permission check. It relies on the server-level check in server.py to block unauthenticated access. But wait, looking at the server.py code again: ```python if self.server.manager.is_enabled and \ request_endpoint not in \ ['Authentication', 'Configuration', 'ServerInfo'] and \ not self.auth_session: ``` The 'Products' en … [truncated 814 chars]
$ nl -ba web/server/codechecker_server/api/product_server.py | sed -n '390,430p'390 def addProduct(self, product): 391 """ 392 Add the given product to the products configured by the server. 393 """ 394 self.__require_permission([permissions.SUPERUSER]) 395 396 session = None 397 LOG.info("User requested add product '%s'", product.endpoint) 398 399 if not is_valid_product_endpoint(product.endpoint): 400 msg = "The specified endpoint is invalid." 401 LOG.error(msg) 402 raise codechecker_api_shared.ttypes.RequestFailed( 403 … [truncated 1411 chars] - tool
I see that `addProduct` calls `__require_permission([permissions.SUPERUSER])` which checks if the user has SUPERUSER permission. Let me look at `__require_permission` to understand how it checks permissions: Looking at lines 66-93 of product_server.py: ```python def __require_permission(self, required, args=None): """ Helper method to raise an UNAUTHORIZED exception if the user does not … [truncated 2121 chars]
$ grep -rn "is_enabled" web/server/codechecker_server/ --include="*.py" | grep -v "def \|is_enabled_case\|is_enabled:"web/server/codechecker_server/api/authentication.py:73: if self.__manager.is_enabled and not self.__auth_session: web/server/codechecker_server/api/authentication.py:101: return HandshakeInformation(self.__manager.is_enabled, alive) web/server/codechecker_server/api/report_server.py:1477: if self._manager.is_enabled and not self._auth_session: web/server/codechecker_server/api/report_server.py:3137: is_enabled, \ web/server/codechecker_server/api/report_server.py:3164: if is_enabled and is_opened: web/server/codechecker_server/api/product_ … [truncated 636 chars] - tool
I see there are multiple places where `is_enabled` is used with `and not self._auth_session`. All of these could potentially be affected if `is_enabled` returns None. Let me check all these locations: 1. web/server/codechecker_server/api/authentication.py:73 2. web/server/codechecker_server/api/report_server.py:1477 3. web/server/codechecker_server/api/product_server.py:81 4. web/server/codechec … [truncated 3696 chars]
$ grep -rn "__get_product" web/server/codechecker_server/ --include="*.py"web/server/codechecker_server/api/product_server.py:107: def __get_product(self, session, product): web/server/codechecker_server/api/product_server.py:226: _, ret = self.__get_product(session, prod) web/server/codechecker_server/api/product_server.py:258: _, ret = self.__get_product(session, prod) - tool
I see that `__get_product` is called from: 1. `getProducts` (line 226) 2. `getCurrentProduct` (line 258) Both of these are in the `ThriftProductHandler` class. Let me check if there's any server-level protection for these methods. Actually, I need to look at the bigger picture. Let me re-read the server.py check: ```python if self.server.manager.is_enabled and \ request_endpoint not in … [truncated 398 chars]
$ grep -n "do_GET" web/server/codechecker_server/server.py269: def do_GET(self): 293: SimpleHTTPRequestHandler.do_GET(self) 319: SimpleHTTPRequestHandler.do_GET(self) - tool
Let me look at the do_GET method:
$ nl -ba web/server/codechecker_server/server.py | sed -n '269,320p'269 def do_GET(self): 270 """ Handles the SPA browser access (GET requests). 271 272 It will do the following steps: 273 - for requests for index.html ('/'), just respond with the file. 274 - if the requested path contains a product endpoint name 275 ('/prod/app.js', '/prod/runs'), remove the endpoint from the path. 276 - if the requested path is a valid file (e.g: 'app.js'), respond with 277 the file. 278 - otherwise (e.g: 'runs') respond with index.html. 279 """ 280 … [truncated 1684 chars] - tool
I see that GET requests serve static files from www_root. These are not Thrift API requests, so they don't have authorization concerns for the API. Let me look at the routing to understand how Thrift API requests are routed:
$ cat web/server/codechecker_server/routing.py# ------------------------------------------------------------------------- # # Part of the CodeChecker project, under the Apache License v2.0 with # LLVM Exceptions. See LICENSE for license information. # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # # ------------------------------------------------------------------------- """ Defines the routing rules for the CodeChecker server. """ import re from urllib.parse import urlparse from codechecker_web.shared.version import SUPPORTED_VERSIONS # A list of top-level path elements under the webserver root which should not # be co … [truncated 4830 chars] - tool
I see that the routing is handled in the routing.py file. The `split_client_POST_request` function splits the request path to determine the product endpoint, API version, and API service endpoint. Now let me think about this issue again. The vulnerability is CWE-863 (Incorrect Authorization). Let me search for specific patterns that might indicate this issue. Actually, let me look at the checkA … [truncated 359 chars]
$ grep -rn "checkAPIVersion" web/ --include="*.py" | head -20web/client/codechecker_client/helpers/authentication.py:27: def checkAPIVersion(self): web/server/codechecker_server/api/authentication.py:90: def checkAPIVersion(self): - tool
Let me look at the client's checkAPIVersion method:
$ cat web/client/codechecker_client/helpers/authentication.py# ------------------------------------------------------------------------- # # Part of the CodeChecker project, under the Apache License v2.0 with # LLVM Exceptions. See LICENSE for license information. # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # # ------------------------------------------------------------------------- """ Helper for tha authentication api. """ from codechecker_api.Authentication_v6 import codeCheckerAuthentication from codechecker_client.thrift_call import thrift_client_call from .base import BaseClientHelper # These names are inherited from Thrift s … [truncated 2267 chars] - tool
I see that `checkAPIVersion` is a Thrift call that takes no arguments and returns nothing (based on the server implementation). The client just calls it to check if the connection is working. Let me step back and think about this problem differently. The issue is CWE-863 (Incorrect Authorization). Let me search for specific authorization-related patterns that might be vulnerable. Actually, let … [truncated 3696 chars]
$ grep -rn "auth_session\|self\.__auth_session\|self._auth_session" web/server/codechecker_server/api/product_server.py | head -2051: auth_session, 57: self.__auth_session = auth_session 81: if self.__server.manager.is_enabled and not self.__auth_session: 87: perm, args, self.__auth_session) 98: self.__auth_session): 102: self.__auth_session): 129: permissions.PRODUCT_VIEW, args, self.__auth_session) 131: permissions.PERMISSION_VIEW, args, self.__auth_session) 183: args, self.__auth_session): - tool
I see that `self.__auth_session` is used in various places. Let me check how `getCurrentProduct` handles authentication:
$ nl -ba web/server/codechecker_server/api/product_server.py | sed -n '231,265p'231 @timeit 232 def getCurrentProduct(self): 233 """ 234 Return information about the current product. 235 236 The request MUST be routed as /product-name/ProductService! 237 """ 238 239 if not self.__product: 240 msg = "Requested current product from ProductService but the " \ 241 "request came through the main endpoint." 242 LOG.error(msg) 243 raise codechecker_api_shared.ttypes.RequestFailed( 244 codechecker_api_shared.ttypes.Error … [truncated 882 chars] - tool
I see that `getCurrentProduct` calls `__get_product` which does the permission check. But what if `__get_product` is called with `auth_session=None` when authentication is enabled? Actually, looking at the flow again: 1. The server-level check in `do_POST` allows unauthenticated access ONLY to 'Authentication', 'Configuration', and 'ServerInfo' endpoints 2. The 'Products' endpoint is NOT in this … [truncated 1957 chars]
$ grep -rn "getProducts\|getCurrentProduct" web/tests/ --include="*.py"web/tests/functional/products/test_config_db_share.py:145: self._pr_client_2.getProducts(self.product_name, None)[0].endpoint, web/tests/functional/products/test_config_db_share.py:178: products = self._pr_client_2.getProducts('producttest_second', None) web/tests/functional/products/test_config_db_share.py:182: products = self._pr_client_2.getProducts(None, 'producttest_second') web/tests/functional/products/test_config_db_share.py:186: products = self._pr_client_2.getProducts('producttest_second*', None) web/tests/functional/products/test_config_db_share.py:18 … [truncated 1760 chars] - tool
The tests show that `getProducts` and `getCurrentProduct` are used with authenticated clients. They don't seem to test unauthenticated access. Let me think about this problem from a different angle. The issue is CWE-863 (Incorrect Authorization). The description says: "The software does not perform an authorization check or uses an incorrect algorithm to verify that a user may access certain fe … [truncated 597 chars]
$ nl -ba web/server/codechecker_server/api/report_server.py | sed -n '3995,4040p'3995 return list(set(file_hashes) - 3996 set(fc.content_hash for fc in q)) 3997 3998 def __massStoreRun_common(self, is_async: bool, zipfile_blob: str, 3999 store_opts: SubmittedRunOptions) -> str: 4000 self.__require_store() 4001 if not store_opts.runName: 4002 raise ValueError("A run name is needed to know where to store!") 4003 4004 if self._manager.background_worker_processes == 0: 4005 raise RequestFailed(ErrorCode.GENERAL, 4006 … [truncated 1762 chars] - tool
I see that `__massStoreRun_common` calls `self.__require_store()` which checks for `PRODUCT_STORE` permission. Let me look at `__require_store`:
$ nl -ba web/server/codechecker_server/api/report_server.py | sed -n '1497,1505p'1497 def __require_store(self): 1498 self.__require_permission([permissions.PRODUCT_STORE]) 1499 1500 def __require_view(self): 1501 self.__require_permission([ 1502 permissions.PRODUCT_VIEW, 1503 permissions.PERMISSION_VIEW 1504 ]) 1505 - tool
Let me look at `__require_permission`:
$ nl -ba web/server/codechecker_server/api/report_server.py | sed -n '1465,1495p'1465 def __require_permission(self, required): 1466 """ 1467 Helper method to raise an UNAUTHORIZED exception if the user does not 1468 have any of the given permissions. 1469 """ 1470 1471 with DBSession(self._config_database) as session: 1472 args = dict(self.__permission_args) 1473 args['config_db_session'] = session 1474 1475 # Anonymous access is only allowed if authentication is 1476 # turned off 1477 if self._manager.is_enabled and not self._auth_session: … [truncated 915 chars] - tool
I see that `__require_permission` checks: 1. If authentication is enabled and there's no auth_session, it raises an UNAUTHORIZED error 2. If the user doesn't have any of the required permissions, it raises an UNAUTHORIZED error This looks correct. Let me now look for the actual vulnerability. Let me search for places where permissions might be incorrectly granted. Actually, I think I should lo … [truncated 142 chars]
$ grep -rn "require_permission" web/server/codechecker_server/ --include="*.py"web/server/codechecker_server/api/authentication.py:40: require_manager, require_permission web/server/codechecker_server/api/authentication.py:78: def __require_permission_view(self): web/server/codechecker_server/api/authentication.py:113: self.__require_permission_view() web/server/codechecker_server/api/authentication.py:705: return require_permission(perm, params, web/server/codechecker_server/api/tasks.py:155: permissions.require_permission( web/server/codechecker_server/api/tasks.py:162: has_right_to_query_status = permission … [truncated 2955 chars] - tool
Let me look at specific calls to `require_permission` that might be problematic. I notice that some places in `product_server.py` call `permissions.require_permission` directly (lines 97, 101, 128, 130, 181) without going through `__require_permission`. Let me examine these: Lines 97 and 101 are in `__administrating`: ```python def __administrating(self, args): """ True if the current user c … [truncated 2371 chars]
$ grep -rn "authentication" config/ --include="*.json" --include="*.md" --include="*.yaml" --include="*.yml"config/config.md:47: * authentication section config/config.md:48: Contains configuration for a **server** on how to handle authentication config/config.md:50: Contains the **client** user's preconfigured authentication tokens. config/config.md:52: Contains session tokens the **client** user has received through authentication. This section is **not** meant to be configured by hand. - tool
Let me look at the config.md file to understand how authentication is configured:
$ cat config/config.md# Package configuration ### Checker labels `checker/labels` directory contains the labels to the checkers which describe some properties, such as profile, guideline, severity, etc. Current labels are: | Label | Description | |-------|-------------| | profile | A grouping of checker that can be used after `--enable`/`--disable` flags during analysis. | | guideline | A coding guideline which contains a coding rule covered by the given checker. | | sei-cert | Rules of SEI-CERT coding guideline that the given checker covers. | | severity | Indicates how severe a bug described by the given chec … [truncated 2081 chars] - tool
Let me look for documentation on how authentication is configured:
$ grep -rn "authentication\|auth" docs/ --include="*.md" | head -30docs/README.md:149: * [Configuring Authentication](web/authentication.md) docs/README.md:269:# [Optional] If you want to use external authentication methods (LDAP / PAM) docs/README.md:271:# docs/web/authentication.md#external-authentication-methods docs/architecture.md:62:- Handle user authentication (LDAP ...) docs/architecture.md:69: - authentication/session information docs/web/products.md:8:authentication domain. docs/web/products.md:66:[superusers](permissions.md), if the server has authentication turned on. docs/web/products.md:92:Most of these commands require authentication and appr … [truncated 2130 chars] - tool
Let me look at the authentication documentation:
$ cat docs/web/authentication.md | head -100CodeChecker authentication subsystem ==================================== CodeChecker also supports only allowing a privileged set of users to access the results stored on a server. > **NOTICE!** Some authentication subsystems require additional packages to > be installed before they can be used. See below. Table of Contents ================= * [Server-side configuration](#server-side-configuration) * [<i>Dictionary</i> authentication](#dictionary-authentication) * [External authentication methods](#external-auth-methods) * [<i>PAM</i> authentication](#pam-authentication) … [truncated 3717 chars] - tool
I see that the `authentication.enabled` config option controls whether authentication is enabled. If it's not set or set to false, authentication is disabled. Let me now focus on finding the actual vulnerability. Based on my analysis, I believe the issue might be in how the server-level check in `do_POST` works. Let me re-read the check: ```python if self.server.manager.is_enabled and \ … [truncated 3243 chars]
$ nl -ba web/server/codechecker_server/session_manager.py | sed -n '520,530p'520 521 @property 522 def is_enabled(self): 523 return self.__auth_config.get('enabled') 524 525 @property 526 def worker_processes(self): 527 return self.__worker_processes 528 529 @property 530 def background_worker_processes(self) -> int: - tool
I see that `is_enabled` returns `self.__auth_config.get('enabled')`. This could return None if the key doesn't exist. Let me check how `__auth_config` is initialized:
$ grep -n "__auth_config" web/server/codechecker_server/session_manager.py | head -10209: self.__auth_config = self.scfg_dict['authentication'] 213: self.__auth_config['enabled'] = True 215: if 'soft_expire' in self.__auth_config: 219: self.__refresh_time = self.__auth_config['refresh_time'] \ 220: if 'refresh_time' in self.__auth_config else None 225: if 'regex_groups' in self.__auth_config: 226: self.__regex_groups_enabled = self.__auth_config['regex_groups'] \ 229: regex_groups = self.__auth_config['regex_groups'] \ 240: if 'method_dictionary' in self.__auth_config and \ 241: … [truncated 59 chars] - tool
I see that `__auth_config` is set from `self.scfg_dict['authentication']`. And then at line 213, there's: ```python if 'enabled' in self.__auth_config: self.__authentication_enabled = self.__auth_config['enabled'] else: self.__authentication_enabled = True ``` So it seems like there's already some handling for the case when 'enabled' is not in the config. But wait, the `is_enabled` prop … [truncated 592 chars]
$ nl -ba web/server/codechecker_server/session_manager.py | sed -n '200,240p'200 if api_handler_processes is not None: 201 self.__worker_processes = api_handler_processes 202 203 if task_worker_processes is not None: 204 self.__background_worker_processes = task_worker_processes 205 206 self.__max_run_count = self.scfg_dict.get('max_run_count', None) 207 self.__store_config = self.scfg_dict.get('store', {}) 208 self.__keepalive_config = self.scfg_dict.get('keepalive', {}) 209 self.__auth_config = self.scfg_dict['authentication'] 210 211 if force_auth: … [truncated 1470 chars] - tool
I see that at line 213, if `force_auth` is True, the 'enabled' key is set to True. But what if the config doesn't have an 'enabled' key and `force_auth` is False? Looking at the code: - Line 237: `if self.scfg_dict['authentication'].get('enabled'):` - this checks if 'enabled' is truthy But the `is_enabled` property returns `self.__auth_config.get('enabled')` directly, without checking if the ke … [truncated 1512 chars]
$ cat config/server_config.jsoncat: config/server_config.json: No such file or directory - tool
Let me find the server config template:
$ find . -name "server_config*" -type f./docs/web/server_config.md ./web/server/config/server_config.json - tool
Let me look at the server config template:
$ cat web/server/config/server_config.json{ "background_worker_processes": null, "worker_processes": null, "max_run_count": null, "store": { "analysis_statistics_dir": null, "limit": { "failure_zip_size": 52428800, "compilation_database_size": 104857600 } }, "keepalive": { "enabled": false, "idle": 600, "interval": 30, "max_probe": 10 }, "authentication": { "enabled" : false, "realm_name" : "CodeChecker Privileged server", "realm_error" : "Access requires valid credentials.", "failed_auth_message": "", "session_lifetime" : 300, "refresh_time" : 60, "lo … [truncated 2393 chars] - tool
I see that the default config has `"enabled" : false` in the authentication section. So the 'enabled' key should always exist in the config. But what if a user modifies the config to remove the 'enabled' key? In that case, `is_enabled` would return None. Let me verify my understanding by looking at the code flow one more time: 1. In server.py line 414: ```python if self.server.manager.is … [truncated 3696 chars]
$ nl -ba web/server/codechecker_server/permissions.py | sed -n '195,230p'195 self._add_perm_impl("*", False) 196 else: 197 LOG.info("Permission '%s' already removed from %s '%s'!", 198 self._perm_name, 'group' if is_group else 'user', 199 auth_name) 200 201 def has_permission(self, auth_session): 202 """ 203 Returns whether or not the given authenticated user session 204 (or None, if authentication is disabled on the server!) is given 205 the current permission. 206 """ 207 if not auth_session: … [truncated 1202 chars] - tool
Now I understand the vulnerability. The `has_permission` method assumes that if `auth_session` is None, it means authentication is disabled. But this assumption is incorrect - authentication could be enabled and the user just hasn't authenticated yet. The fix is to: 1. Add an `authentication_enabled` parameter to `has_permission` 2. If authentication is enabled and there's no auth_session, deny … [truncated 471 chars]
$ grep -n "def has_permission" web/server/codechecker_server/permissions.py201: def has_permission(self, auth_session): - tool
There's only one `has_permission` method in the base class. Let me check if the subclasses override it:
$ grep -n "class Handler\|def has_permission" web/server/codechecker_server/permissions.py201: def has_permission(self, auth_session): 272: class Handler(PermissionHandler): 403: class Handler(PermissionHandler): - tool
There are two Handler classes (lines 272 and 403) that inherit from `PermissionHandler`. Let me check if they override `has_permission`:
$ nl -ba web/server/codechecker_server/permissions.py | sed -n '272,410p'272 class Handler(PermissionHandler): 273 """ 274 This class is used to query server-wide permissions. 275 """ 276 277 def __init__(self, permission, config_db_session): 278 """ 279 Create a new system-wide permission handler. 280 281 :param permission: The Permission object that instantiated 282 this handler. 283 :param config_db_session: A database session that refers to the 284 configuration database of the server. 285 … [truncated 5410 chars] - tool
The Handler classes don't override `has_permission`, they inherit it from `PermissionHandler`. So I only need to modify the base class. Now let me look at how `require_permission` is called and what needs to be updated:
$ nl -ba web/server/codechecker_server/permissions.py | sed -n '647,695p'647 def require_permission(permission, extra_params, user): 648 """ 649 Returns whether or not the given user has the given permission. 650 651 :param extra_params: The scope-specific argument dict, which already 652 contains a valid database session. 653 """ 654 655 handler = handler_from_scope_params(permission, 656 extra_params) 657 if handler.has_permission(user): 658 return True 659 660 # If the user for some reason does not have the permission directly 661 … [truncated 1386 chars] - tool
Now I understand the structure. I need to: 1. Modify `has_permission` in `PermissionHandler` to take an optional `authentication_enabled` parameter 2. Modify `require_permission` to take an `authentication_enabled` parameter and pass it to `has_permission` 3. Modify `require_manager` similarly 4. Update all callers of these functions to pass the authentication status Let me look at how the API … [truncated 91 chars]
$ grep -B5 "permissions.require_permission\|permissions.require_manager" web/server/codechecker_server/api/*.py | head -60web/server/codechecker_server/api/product_server.py- if self.__server.manager.is_enabled and not self.__auth_session: web/server/codechecker_server/api/product_server.py- raise codechecker_api_shared.ttypes.RequestFailed( web/server/codechecker_server/api/product_server.py- codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, web/server/codechecker_server/api/product_server.py- "You are not authorized to execute this action.") web/server/codechecker_server/api/product_server.py- web/server/codechecker_server/api/product_server.py … [truncated 4516 chars] - tool
Now I understand how the API handlers use `require_permission`. They pass `self.__auth_session` (which could be None) as the user parameter. The issue is that `has_permission` treats `None` as "authentication is disabled", but it could also mean "authentication is enabled but user hasn't authenticated". The fix is to modify `has_permission` to take an additional parameter that indicates whether … [truncated 421 chars]
$ cat > /tmp/fix_permissions.py << 'EOF' import re # Read the file with open('web/server/codechecker_server/permissions.py', 'r') as f: content = f.read() # Fix 1: Update has_permission method to take authentication_enabled parameter old_has_permission = ''' def has_permission(self, auth_sess … [truncated 5848 chars]Updated permissions.py successfully - tool
Now I need to update all the callers of `require_permission` and `require_manager` to pass the `authentication_enabled` parameter. Let me start with the API handlers.
$ grep -n "permissions.require_permission\|permissions.require_manager" web/server/codechecker_server/api/*.pyweb/server/codechecker_server/api/product_server.py:86: if not any(permissions.require_permission( web/server/codechecker_server/api/product_server.py:97: if permissions.require_permission(permissions.SUPERUSER, args, web/server/codechecker_server/api/product_server.py:101: if permissions.require_permission(permissions.PRODUCT_ADMIN, args, web/server/codechecker_server/api/product_server.py:128: has_product_permission = permissions.require_permission( web/server/codechecker_server/api/product_server.py:130: has_global_permission = permissions.require_perm … [truncated 984 chars] - tool
Now I need to update all these callers. Let me first look at each file to understand how to update them: 1. product_server.py - has access to `self.__server.manager.is_enabled` and `self.__auth_session` 2. report_server.py - has access to `self._manager.is_enabled` and `self._auth_session` 3. tasks.py - has access to `self._auth_session` but needs to get `is_enabled` somehow Let me update each … [truncated 6 chars]
$ cat > /tmp/fix_product_server.py << 'EOF' # Read the file with open('web/server/codechecker_server/api/product_server.py', 'r') as f: content = f.read() # Fix __require_permission - update to pass authentication_enabled old_require_permission_call = ''' if not any(permissions.require … [truncated 3120 chars]Updated product_server.py successfully - tool
Now let me update report_server.py:
$ cat > /tmp/fix_report_server.py << 'EOF' # Read the file with open('web/server/codechecker_server/api/report_server.py', 'r') as f: content = f.read() # Fix __require_permission - update to pass authentication_enabled old_require_permission_call = ''' if not any(permissions.require_p … [truncated 617 chars]Updated report_server.py successfully - tool
Now let me update tasks.py. I need to check how to get `is_enabled` in the tasks handler:
$ grep -n "def __init__\|_manager\|is_enabled" web/server/codechecker_server/api/tasks.py | head -2029:from ..task_executors.task_manager import TaskManager 38: def __init__(self, token: str, timeout: int, should_fail: bool): 114: def __init__(self, 116: task_manager: TaskManager, 119: self._task_manager = task_manager 373: token = self._task_manager.allocate_task_record( 380: self._task_manager.push_task(t) - tool
The tasks.py doesn't have access to `is_enabled`. I need to add a manager parameter to the ThriftTaskHandler constructor. Let me look at how the handler is created in server.py:
$ nl -ba web/server/codechecker_server/server.py | sed -n '467,475p'467 elif request_endpoint == "Tasks": 468 task_handler = TaskHandler_v6( 469 self.server.config_session, 470 self.server.task_manager, 471 self.auth_session) 472 processor = TaskAPI_v6.Processor(task_handler) 473 elif request_endpoint == "CodeCheckerService": 474 # This endpoint is a product's report_server. 475 if not product: - tool
I need to update the TaskHandler constructor to include the manager. Let me update both the tasks.py and server.py files:
$ cat > /tmp/fix_tasks.py << 'EOF' # Read the file with open('web/server/codechecker_server/api/tasks.py', 'r') as f: content = f.read() # Update the constructor to include session_manager old_init = ''' def __init__(self, configuration_database_sessionmaker, … [truncated 6259 chars]Updated tasks.py successfully - tool
Now I need to update server.py to pass the session_manager to TaskHandler:
$ sed -i 's/task_handler = TaskHandler_v6(\n self.server.config_session,\n self.server.task_manager,\n self.auth_session)/task_handler = TaskHandler_v6(\n self.server.config_session,\n … [truncated 183 chars] - tool
The sed command might not have worked correctly because of the multi-line replacement. Let me check and fix it manually:
$ nl -ba web/server/codechecker_server/server.py | sed -n '467,475p'467 elif request_endpoint == "Tasks": 468 task_handler = TaskHandler_v6( 469 self.server.config_session, 470 self.server.task_manager, 471 self.auth_session) 472 processor = TaskAPI_v6.Processor(task_handler) 473 elif request_endpoint == "CodeCheckerService": 474 # This endpoint is a product's report_server. 475 if not product: - tool
The sed didn't work. Let me try a different approach:
$ sed -i 's/self.server.task_manager,\n self.auth_session)/self.server.task_manager,\n self.server.manager,\n self.auth_session)/g' web/server/codechecker_server/server.py - tool
The sed command might not handle newlines correctly. Let me try a different approach using Python:
$ cat > /tmp/fix_server.py << 'EOF' # Read the file with open('web/server/codechecker_server/server.py', 'r') as f: content = f.read() # Fix the TaskHandler creation old_task_handler = ''' elif request_endpoint == "Tasks": task_handler = TaskHandler_v6( … [truncated 749 chars]Updated server.py successfully - tool
Now let me also update the authentication.py file which uses `require_manager`:
$ grep -n "require_manager\|require_permission" web/server/codechecker_server/api/authentication.py40: require_manager, require_permission 78: def __require_permission_view(self): 113: self.__require_permission_view() 614: should_return = require_manager( 634: if not require_manager(perm, params, self.__auth_session): 657: if not require_manager(perm, params, self.__auth_session): 680: if not require_manager(perm, params, self.__auth_session): 705: return require_permission(perm, params, - tool
Now I need to update authentication.py to pass `authentication_enabled`. Let me look at how `__has_permission` works:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '68,95p'68 "The server must be start by using privilaged access to " 69 "execute this action.") 70 71 def __has_permission(self, permission) -> bool: 72 """ True if the current user has given permission rights. """ 73 if self.__manager.is_enabled and not self.__auth_session: 74 return False 75 76 return self.hasPermission(permission, None) 77 78 def __require_permission_view(self): 79 """ 80 Checks if the curret user has PERMISSION_VIEW rights. Throws an … [truncated 742 chars] - tool
I see that `__has_permission` already checks `self.__manager.is_enabled and not self.__auth_session` and returns False. So the check is already in place. Now let me look at the lines that use `require_manager`:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '610,690p'610 if should_return and perm_filter.canManage: 611 # If the user has any of the permissions that are 612 # authorised to manage the currently iterated permission, 613 # the filter passes. 614 should_return = require_manager( 615 perm, params, self.__auth_session) 616 617 if should_return: 618 perms.append(perm) 619 620 return [permissions.api_enum_for_permission(p) 621 … [truncated 3247 chars] - tool
I see that the authentication.py file uses `require_manager` but it doesn't pass `authentication_enabled`. I need to update these calls. However, looking at the code more carefully, I see that in `getPermissionsForUser`, `getAuthorisedNames`, `addPermission`, and `removePermission`, the user is already expected to be authenticated (since these are management operations). The check for authentica … [truncated 316 chars]
$ cat > /tmp/fix_authentication.py << 'EOF' # Read the file with open('web/server/codechecker_server/api/authentication.py', 'r') as f: content = f.read() # Fix require_manager call in getPermissionsForUser (line 614) old_require_manager1 = ''' should_return = require_manager( … [truncated 4133 chars]Updated authentication.py successfully - tool
Now let me verify that all the changes are correct by checking the updated files:
$ nl -ba web/server/codechecker_server/permissions.py | sed -n '201,230p'201 def has_permission(self, auth_session, authentication_enabled=True): 202 """ 203 Returns whether or not the given authenticated user session 204 (or None, if authentication is disabled on the server!) is given 205 the current permission. 206 207 :param auth_session: The authenticated session object, or None if 208 the user is not authenticated. 209 :param authentication_enabled: If True, authentication is enabled 210 on the server. If authentication is enabled and auth_session is 211 … [truncated 1053 chars] - tool
Good, the `has_permission` method is updated. Now let me verify the `require_permission` and `require_manager` functions:
$ nl -ba web/server/codechecker_server/permissions.py | sed -n '655,700p'655 # case!), do not let the '*' be locked into the database forever. 656 handler._rem_perm_impl('*', False) 657 658 659 def require_permission(permission, extra_params, user, 660 authentication_enabled=True): 661 """ 662 Returns whether or not the given user has the given permission. 663 664 :param extra_params: The scope-specific argument dict, which already 665 contains a valid database session. 666 :param user: The authenticated session object, or None if the user is 667 not … [truncated 1491 chars] - tool
Good, the functions are updated. Now let me verify the API handlers are updated correctly:
$ grep -n "permissions.require_permission\|permissions.require_manager" web/server/codechecker_server/api/*.pyweb/server/codechecker_server/api/product_server.py:86: if not any(permissions.require_permission( web/server/codechecker_server/api/product_server.py:98: if permissions.require_permission(permissions.SUPERUSER, args, web/server/codechecker_server/api/product_server.py:103: if permissions.require_permission(permissions.PRODUCT_ADMIN, args, web/server/codechecker_server/api/product_server.py:131: has_product_permission = permissions.require_permission( web/server/codechecker_server/api/product_server.py:134: has_global_permission = permissions.require_perm … [truncated 984 chars] - tool
Let me verify the product_server.py updates:
$ nl -ba web/server/codechecker_server/api/product_server.py | sed -n '83,105p'83 codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, 84 "You are not authorized to execute this action.") 85 86 if not any(permissions.require_permission( 87 perm, args, self.__auth_session, 88 self.__server.manager.is_enabled) 89 for perm in required): 90 raise codechecker_api_shared.ttypes.RequestFailed( 91 codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, 92 "Y … [truncated 731 chars] - tool
Let me verify the tasks.py updates:
$ nl -ba web/server/codechecker_server/api/tasks.py | sed -n '114,130p'114 def __init__(self, 115 configuration_database_sessionmaker, 116 task_manager: TaskManager, 117 session_manager, 118 auth_session): 119 self._config_db = configuration_database_sessionmaker 120 self._task_manager = task_manager 121 self._session_manager = session_manager 122 self._auth_session = auth_session 123 124 def _get_username(self) -> Optional[str]: 125 """ 126 Returns the actually logged in user name. 127 """ … [truncated 120 chars] - tool
Good. Now let me verify the server.py update:
$ nl -ba web/server/codechecker_server/server.py | sed -n '467,475p'467 elif request_endpoint == "Tasks": 468 task_handler = TaskHandler_v6( 469 self.server.config_session, 470 self.server.task_manager, 471 self.server.manager, 472 self.auth_session) 473 processor = TaskAPI_v6.Processor(task_handler) 474 elif request_endpoint == "CodeCheckerService": 475 # This endpoint is a product's report_server. - tool
All the changes look good. Now let me create a simple test script to verify the fix works:
$ cat > /tmp/test_fix.py << 'EOF' #!/usr/bin/env python3 """ Test script to verify the CWE-863 fix. The vulnerability was that when authentication is enabled but a user hasn't authenticated (auth_session is None), the has_permission method incorrectly granted all permissions because it assumed that … [truncated 2667 chars]Test 1: authentication_enabled=True, auth_session=None Expected: has_permission should return False Traceback (most recent call last): File "/tmp/test_fix.py", line 23, in <module> from web.server.codechecker_server.permissions import PermissionHandler File "/app/web/server/codechecker_server/permissions.py", line 18, in <module> from sqlalchemy import and_, func ModuleNotFoundError: No module named 'sqlalchemy' - tool
The test failed because the sqlalchemy module is not available. Let me try a different approach - I'll check if the syntax is correct by running a Python syntax check:
$ python3 -m py_compile web/server/codechecker_server/permissions.py && echo "permissions.py syntax OK"permissions.py syntax OK - tool
Good, the syntax is correct. Let me check the other files:
$ python3 -m py_compile web/server/codechecker_server/api/product_server.py && echo "product_server.py syntax OK" python3 -m py_compile web/server/codechecker_server/api/report_server.py && echo "report_server.py syntax OK" python3 -m py_compile web/server/codechecker_server/api/tasks.py && echo "task … [truncated 219 chars]product_server.py syntax OK report_server.py syntax OK tasks.py syntax OK authentication.py syntax OK server.py syntax OK - tool
All files have valid Python syntax. Now let me verify that there are no other places where the permissions functions are called that I might have missed:
$ grep -rn "require_permission\|require_manager\|has_permission" web/server/codechecker_server/ --include="*.py" | grep -v "def \|class \|#\|\"\"\"" | head -50web/server/codechecker_server/api/authentication.py:40: require_manager, require_permission web/server/codechecker_server/api/authentication.py:84: if not self.__has_permission(permission): web/server/codechecker_server/api/authentication.py:113: self.__require_permission_view() web/server/codechecker_server/api/authentication.py:608: should_return = handler.has_permission(self.__auth_session) web/server/codechecker_server/api/authentication.py:614: should_return = require_manager( web/server/codechecker_server/api/authentication.py:635: … [truncated 3614 chars] - tool
I notice there's one more place that needs to be updated in authentication.py: - Line 608: `should_return = handler.has_permission(self.__auth_session)` This calls `has_permission` directly without passing `authentication_enabled`. Let me check this line:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '600,625p'600 session) 601 602 perms = [] 603 for perm in permissions.get_permissions(scope): 604 should_return = True 605 handler = make_handler(perm, params) 606 607 if should_return and perm_filter.given: 608 should_return = handler.has_permission(self.__auth_session) 609 610 if should_return and perm_filter.canManage: 611 # If the user has any of the permissions that are 6 … [truncated 621 chars] - tool
I see! Line 608 calls `handler.has_permission(self.__auth_session)` directly without passing `authentication_enabled`. This is a direct call to the handler's method (not through `require_permission`), so it needs to be updated. Also, I see that line 709 (`return require_permission(perm, params, self.__auth_session, self.__manager.is_enabled)`) was already updated. Let me fix line 608:
$ cat > /tmp/fix_authentication2.py << 'EOF' # Read the file with open('web/server/codechecker_server/api/authentication.py', 'r') as f: content = f.read() # Fix the direct has_permission call in getPermissionsForUser (line 608) old_has_perm = ''' if should_return and perm_filter.g … [truncated 579 chars]Updated authentication.py (line 608) successfully - tool
Let me verify the fix:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '605,625p'605 handler = make_handler(perm, params) 606 607 if should_return and perm_filter.given: 608 should_return = handler.has_permission( 609 self.__auth_session, self.__manager.is_enabled) 610 611 if should_return and perm_filter.canManage: 612 # If the user has any of the permissions that are 613 # authorised to manage the currently iterated permission, 614 # the filter passes. 615 should_retu … [truncated 387 chars] - tool
Now let me also check that the require_permission call at line 709 was updated:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '707,715p'707 perm, params = ThriftAuthHandler.__create_permission_args( 708 permission, extra_params, session) 709 710 return require_permission(perm, params, 711 self.__auth_session, 712 self.__manager.is_enabled) 713 714 # ============= Authorization, permission management ============= 715 - tool
Let me also verify the other require_manager calls:
$ grep -n "require_manager" web/server/codechecker_server/api/authentication.py40: require_manager, require_permission 615: should_return = require_manager( 636: if not require_manager(perm, params, self.__auth_session, 660: if not require_manager(perm, params, self.__auth_session, 684: if not require_manager(perm, params, self.__auth_session, - tool
Let me check each of these:
$ nl -ba web/server/codechecker_server/api/authentication.py | sed -n '633,695p'633 perm, params = ThriftAuthHandler.__create_permission_args( 634 permission, extra_params, session) 635 636 if not require_manager(perm, params, self.__auth_session, 637 self.__manager.is_enabled): 638 raise codechecker_api_shared.ttypes.RequestFailed( 639 codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, 640 f"You can not manage the permission '{perm.name}'") 641 642 handler = make_handler(perm, params) 643 … [truncated 2529 chars] - tool
All the authentication.py updates look correct. Now let me verify all the files again:
$ python3 -m py_compile web/server/codechecker_server/api/authentication.py && echo "authentication.py syntax OK"authentication.py syntax OK - tool
Now let me run the tests if they exist:
$ find web/tests -name "*.py" -exec grep -l "auth\|permission" {} \; 2>/dev/null | head -10web/tests/functional/review_status/test_review_status.py web/tests/functional/products/test_config_db_share.py web/tests/functional/products/test_products.py web/tests/functional/products/__init__.py web/tests/functional/db_cleanup/test_db_cleanup.py web/tests/functional/comment/test_comment.py web/tests/functional/ssl/test_ssl.py web/tests/functional/export_import/test_export_import.py web/tests/functional/authentication/test_permission_view.py web/tests/functional/authentication/oauth_server.py - tool
Let me try running the permission view tests to make sure my changes work:
$ cd web && pip install -q pytest 2>/dev/null; cd .. - tool
Let me check if there are any unit tests specifically for permissions:
$ find . -name "test_permission*.py" -o -name "*permission*test*.py" 2>/dev/null./web/tests/functional/authentication/test_permission_view.py ./web/tests/functional/authentication/test_permission_management.py - tool
Let me also verify the changes one more time by looking at the key files:
$ git diff --stat.../codechecker_server/api/authentication.py | 18 ++++++--- .../codechecker_server/api/product_server.py | 18 ++++++--- web/server/codechecker_server/api/report_server.py | 2 +- web/server/codechecker_server/api/tasks.py | 17 ++++++--- web/server/codechecker_server/permissions.py | 44 +++++++++++++++++----- web/server/codechecker_server/server.py | 1 + 6 files changed, 72 insertions(+), 28 deletions(-) - tool
Let me see the actual diff to make sure all changes are correct:
$ git diff web/server/codechecker_server/permissions.pydiff --git a/web/server/codechecker_server/permissions.py b/web/server/codechecker_server/permissions.py index 07df5cc..35f70d3 100644 --- a/web/server/codechecker_server/permissions.py +++ b/web/server/codechecker_server/permissions.py @@ -198,17 +198,29 @@ class PermissionHandler(metaclass=ABCMeta): self._perm_name, 'group' if is_group else 'user', auth_name) - def has_permission(self, auth_session): + def has_permission(self, auth_session, authentication_enabled=True): """ Returns whether or not the given authenticated us … [truncated 4034 chars] - tool
The diff looks correct. Now let me also check the API files:
$ git diff web/server/codechecker_server/api/…-654,7 +657,8 @@ class ThriftAuthHandler: perm, params = ThriftAuthHandler.__create_permission_args( permission, extra_params, session) - if not require_manager(perm, params, self.__auth_session): + if not require_manager(perm, params, self.__auth_session, + self.__manager.is_enabled): raise codechecker_api_shared.ttypes.RequestFailed( codechecker_api_shared.ttypes.ErrorCode.UNAUTHORIZED, f"You can not manage the permission '{perm.name}'") @@ -677 … [truncated 7593 chars] - tool
All the changes look correct. Let me also check the server.py diff:
$ git diff web/server/codechecker_server/server.pydiff --git a/web/server/codechecker_server/server.py b/web/server/codechecker_server/server.py index fab6925..9415242 100644 --- a/web/server/codechecker_server/server.py +++ b/web/server/codechecker_server/server.py @@ -468,6 +468,7 @@ class RequestHandler(SimpleHTTPRequestHandler): task_handler = TaskHandler_v6( self.server.config_session, self.server.task_manager, + self.server.manager, self.auth_session) processor = TaskAPI_v6.P … [truncated 91 chars] - tool
All changes are in place. Now let me run a simple syntax check to make sure everything compiles:
$ python3 -m py_compile web/server/codechecker_server/permissions.py && \ python3 -m py_compile web/server/codechecker_server/api/authentication.py && \ python3 -m py_compile web/server/codechecker_server/api/product_server.py && \ python3 -m py_compile web/server/codechecker_server/api/report_server. … [truncated 187 chars]All files have valid Python syntax! - tool
All files have valid Python syntax. Now let me create a summary of the changes and verify the fix addresses the CWE-863 vulnerability. Summary of the fix: **Vulnerability:** CWE-863 (Incorrect Authorization) **Root Cause:** The `has_permission` method in `PermissionHandler` class assumed that if `auth_session` is `None`, it means authentication is disabled on the server. However, this assumpti … [truncated 1309 chars]
$ cat << 'EOF' ================================================================= SUMMARY OF CWE-863 VULNERABILITY FIX ================================================================= Vulnerability: CWE-863 (Incorrect Authorization) Root Cause: The has_permission method in PermissionHandler assumed … [truncated 1165 chars]================================================================= SUMMARY OF CWE-863 VULNERABILITY FIX ================================================================= Vulnerability: CWE-863 (Incorrect Authorization) Root Cause: The has_permission method in PermissionHandler assumed that if auth_session is None, it means authentication is disabled. However, auth_session could be None in two scenarios: 1. Authentication is disabled (intended - grant all permissions) 2. Authentication is enabled, but user hasn't authenticated (should DENY permissions) The code incorrectly granted all permi … [truncated 848 chars] - tool
The fix is complete. Let me run one more verification to ensure all files are syntactically correct and the changes are consistent:
$ # Final verification of all modified files echo "=== Final Syntax Verification ===" for file in web/server/codechecker_server/permissions.py \ web/server/codechecker_server/api/authentication.py \ web/server/codechecker_server/api/product_server.py \ web/server/co … [truncated 347 chars]=== Final Syntax Verification === ✓ web/server/codechecker_server/permissions.py - OK ✓ web/server/codechecker_server/api/authentication.py - OK ✓ web/server/codechecker_server/api/product_server.py - OK ✓ web/server/codechecker_server/api/report_server.py - OK ✓ web/server/codechecker_server/api/tasks.py - OK ✓ web/server/codechecker_server/server.py - OK === Summary of Changes === .../codechecker_server/api/authentication.py | 18 ++++++--- .../codechecker_server/api/product_server.py | 18 ++++++--- web/server/codechecker_server/api/report_server.py | 2 +- web/server/codeche … [truncated 239 chars] - tool
All files pass syntax verification. The fix is complete. Let me submit the solution.
$ echo COMPLETE_TASK_AND_SUBMIT_FINAL_OUTPUT