CVE-2024-40886: One-click Client-Side Path Traversal Leading to CSRF in User Management admin page
First published: Thu Aug 22 2024(Updated: )
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to sanitize user inputs in the frontend that are used for redirection which allows for a one-click client-side path traversal that is leading to CSRF in User Management page of the system console.
Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/github.com/mattermost/mattermost/server/v8 | >=9.8.0<9.8.3 | 9.8.3 |
| go/github.com/mattermost/mattermost/server/v8 | >=9.10.0<9.10.1 | 9.10.1 |
| go/github.com/mattermost/mattermost/server/v8 | >=9.5.0<9.5.8 | 9.5.8 |
| go/github.com/mattermost/mattermost/server/v8 | >=9.9.0<9.9.2 | 9.9.2 |
| Mattermost | >=9.5.0<9.5.8 | |
| Mattermost | >=9.8.0<9.8.3 | |
| Mattermost | >=9.9.0<9.9.2 | |
| Mattermost | >=9.10.0<9.10.1 |
Remedy
Update Mattermost to versions 9.11.0, 9.9.2, 9.5.8, 9.10.1, 9.8.3 or higher.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-40886?
CVE-2024-40886 has been classified as a medium severity vulnerability due to its potential for client-side path traversal leading to CSRF.
How do I fix CVE-2024-40886?
To address CVE-2024-40886, upgrade to Mattermost version 9.5.8, 9.8.3, 9.9.2, or 9.10.1.
Which versions of Mattermost are affected by CVE-2024-40886?
Mattermost versions 9.9.x up to 9.9.1, 9.5.x up to 9.5.7, 9.10.x up to 9.10.0, and 9.8.x up to 9.8.2 are affected by CVE-2024-40886.
What type of vulnerability is CVE-2024-40886?
CVE-2024-40886 is a client-side path traversal vulnerability that can lead to cross-site request forgery (CSRF).
What components are involved in CVE-2024-40886?
CVE-2024-40886 involves user input sanitization failures in the frontend of the Mattermost application.
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