CVE-2024-6428: Limited DoS due to permitting creating users with user-defined IDs
First published: Wed Jul 03 2024(Updated: )
Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2, 9.5.x <= 9.5.5 fail to prevent specifying a RemoteId when creating a new user which allows an attacker to specify both a remoteId and the user ID, resulting in creating a user with a user-defined user ID. This can cause some broken functionality in User Management such administrative actions against the user not working.
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<9.7.5 | |
| 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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Reference Links
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- version/mattermost mattermost/9.8.0