CVE-2024-41144: Malicious remote can create/update/delete arbitrary posts in arbitrary channels
First published: Thu Aug 01 2024(Updated: )
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly validate synced posts, when shared channels are enabled, which allows a malicious remote to create/update/delete arbitrary posts in arbitrary channels
Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/github.com/mattermost/mattermost/server/v8 | =9.9.0 | 9.9.1 |
| go/github.com/mattermost/mattermost/server/v8 | >=9.8.0<9.8.2 | 9.8.2 |
| go/github.com/mattermost/mattermost/server/v8 | >=9.7.0<9.7.6 | 9.7.6 |
| go/github.com/mattermost/mattermost/server/v8 | >=9.5.0<9.5.7 | 9.5.7 |
| Mattermost | >=9.5.0<9.5.7 | |
| Mattermost | >=9.7.0<9.7.6 | |
| Mattermost | >=9.8.0<9.8.2 | |
| Mattermost | =9.9.0 |
Remedy
Update Mattermost to versions 9.10.0, 9.9.1, 9.5.7, 9.7.6, 9.8.2 or higher.
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Reference Links
Frequently Asked Questions
What versions of Mattermost are affected by CVE-2024-41144?
Mattermost versions 9.9.x up to 9.9.0, 9.5.x up to 9.5.6, 9.7.x up to 9.7.5, and 9.8.x up to 9.8.1 are affected by CVE-2024-41144.
What is the severity of CVE-2024-41144?
CVE-2024-41144 allows a remote attacker to create, update, or delete arbitrary posts in channels, posing a significant security risk.
How do I fix CVE-2024-41144?
To remediate CVE-2024-41144, upgrade Mattermost to versions 9.9.1, 9.8.2, 9.7.6, or 9.5.7, based on your currently installed version.
What are the potential impacts of CVE-2024-41144?
The vulnerability could allow attackers to manipulate content within shared Mattermost channels, leading to misinformation or unauthorized actions.
Is CVE-2024-41144 related to shared channels in Mattermost?
Yes, CVE-2024-41144 specifically affects the validation of synced posts when shared channels are enabled in Mattermost.
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