ghsa

Mattermost Confluence Plugin versions < 1.5.0 fail to handle unexpected request bodies, allowing attackers to crash the plugin via constant hits to the create channel subscription endpoint with an invalid request body.

Mattermost Confluence Plugin versions < 1.5.0 fail to enforce user authentication of the Mattermost instance, allowing unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint.

Mattermost Confluence Plugin versions < 1.5.0 fail to check user access to the channel, allowing attackers to create a channel subscription without proper access to the channel via an API call to the edit channel subscription endpoint.

Mattermost Confluence Plugin versions < 1.5.0 fails to check user access of the Confluence space, allowing attackers to create a subscription to a Confluence space the user does not have access to via the create subscription endpoint.

Mattermost Confluence Plugin versions < 1.5.0 fail to enforce authentication of the user to the Mattermost instance, which allows unauthenticated attackers to access subscription details via an API call to the GET subscription endpoint.

Mattermost Confluence Plugin versions < 1.5.0 fail to check user access to Confluence spaces, which allows attackers to edit subscriptions for Confluence spaces that users do not have access to through the edit subscription endpoint.

Mattermost Confluence Plugin version <1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint.

Mattermost Confluence Plugin versions < 1.5.0 fail to check user access to the channel, which allows attackers to get channel subscription details without proper access to the channel via an API call to the Get Channel Subscriptions details endpoint.

## Description A critical path traversal vulnerability (CWE-22) has been identified in the `review_paper` function in `backend/app.py`. The vulnerability allows malicious users to access arbitrary PDF files on the server by providing crafted file paths that bypass the intended security restrictions. ## Impact This vulnerability allows attackers to: - Read any PDF file accessible to the server process - Potentially access sensitive documents outside the intended directory - Perform reconnaissance on the server's file system structure ## Vulnerable Code The issue occurs in the `review_paper` function around line 744: ```python if pdf_path.startswith("/api/files/"): # Safe path handling for API routes relative_path = pdf_path[len("/api/files/"):] generated_base = os.path.join(project_root, "generated") absolute_pdf_path = os.path.join(generated_base, relative_path) else: absolute_pdf_path = pdf_path # VULNERABLE: Direct use of user input ``` ## Proof of Concept ``...

A safe mode bypass vulnerability in the `Model.load_model` method in Keras versions 3.0.0 through 3.10.0 allows an attacker to achieve arbitrary code execution by convincing a user to load a specially crafted `.keras` model archive.