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 disallow users to set their own remote username, when shared channels were enabled, which allows a user on a remote to set their remote username prop to an arbitrary string, which would be then synced to the local server as long as the user hadn't been synced before.
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-2663 | 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 disallow users to set their own remote username, when shared channels were enabled, which allows a user on a remote to set their remote username prop to an arbitrary string, which would be then synced to the local server as long as the user hadn't been synced before. |
Github GHSA |
GHSA-vg6q-84p8-qvqh | Mattermost allows a user on a remote to set their remote username prop to an arbitrary string |
Fixes
Solution
Update Mattermost to versions 9.10.0, 9.9.1, 9.5.7, 9.7.6, 9.8.2 or higher.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
History
Wed, 04 Sep 2024 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost Server |
|
| Weaknesses | NVD-CWE-noinfo | |
| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* cpe:2.3:a:mattermost:mattermost_server:9.9.0:*:*:*:*:*:*:* |
|
| Vendors & Products |
Mattermost
Mattermost mattermost Server |
Projects
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Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2024-08-01T18:04:42.351Z
Reserved: 2024-07-23T18:35:14.805Z
Link: CVE-2024-39839
Updated: 2024-08-01T18:04:36.748Z
Status : Analyzed
Published: 2024-08-01T15:15:12.993
Modified: 2024-09-04T17:34:06.817
Link: CVE-2024-39839
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD
Github GHSA