CVE-2024-39830: Timing attack during remote cluster token comparison when shared channels are enabled
First published: Wed Jul 03 2024(Updated: )
Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote cluster token comparison.
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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