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.
References
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

cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2024-08-01T14:05:10.650Z

Updated: 2024-08-01T14:32:10.107Z

Reserved: 2024-07-23T18:35:14.800Z

Link: CVE-2024-41926

cve-icon Vulnrichment

Updated: 2024-08-01T14:32:04.183Z

cve-icon NVD

Status : Analyzed

Published: 2024-08-01T15:15:13.900

Modified: 2024-09-04T16:55:35.570

Link: CVE-2024-41926

cve-icon Redhat

No data.