cve-2024-39839
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-01 18:04
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
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.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
Version: 9.7.0   ≤ 9.7.5
Version: 9.8.0   ≤ 9.8.1
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