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3/7/2024
![Updated](https://public.secalerts.co/assets/images/icon-updated.svg)
5/7/2024
CVE-2024-39361: Creating posts with user-defined IDs permitted in CreatePost API
First published: Wed Jul 03 2024(Updated: )
Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5 fail to prevent users from specifying a RemoteId for their posts which allows an attacker to specify both a remoteId and the post ID, resulting in creating a post with a user-defined post ID. This can cause some broken functionality in the channel or thread with user-defined posts
Credit: responsibledisclosure@mattermost.com
Affected Software | Affected Version | How to fix |
---|
Mattermost Mattermost | >=9.5.0<9.5.6 | |
Mattermost Mattermost | >=9.6.0<9.6.3 | |
Mattermost Mattermost | >=9.7.0<9.7.4 | |
Mattermost Mattermost | >=9.8.0<9.8.1 | |
Remedy
Update Mattermost to versions 9.9.0, 9.8.1, 9.7.5, 9.6.3, 9.5.6 or higher.
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