Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-2547 | Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote. |
Github GHSA |
GHSA-9fpw-c9x7-cv3j | Mattermost allows remote actor to set arbitrary RemoteId values for synced users |
Fixes
Solution
Update Mattermost to versions 9.10.0, 9.9.1, 9.5.7 or higher.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
History
Wed, 04 Sep 2024 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost Server |
|
| Weaknesses | CWE-346 | |
| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* cpe:2.3:a:mattermost:mattermost_server:9.9.0:*:*:*:*:*:*:* |
|
| Vendors & Products |
Mattermost
Mattermost mattermost Server |
Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2024-08-01T14:32:10.107Z
Reserved: 2024-07-23T18:35:14.800Z
Link: CVE-2024-41926
Updated: 2024-08-01T14:32:04.183Z
Status : Analyzed
Published: 2024-08-01T15:15:13.900
Modified: 2024-09-04T16:55:35.570
Link: CVE-2024-41926
No data.
OpenCVE Enrichment
No data.
EUVD
Github GHSA