When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.


Advisories
Source ID Title
EUVD EUVD EUVD-2023-0949 When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.
Github GHSA Github GHSA GHSA-8jhh-3jf2-pfwr Mattermost vulnerable to information disclosure
Fixes

Solution

Update Mattermost to version v7.8.0, v7.1.6, v7.7.2, or higher.


Workaround

No workaround given by the vendor.

References
History

Fri, 06 Dec 2024 23:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2024-12-06T23:05:41.615Z

Reserved: 2023-03-31T11:26:09.249Z

Link: CVE-2023-1775

cve-icon Vulnrichment

Updated: 2024-08-02T05:57:25.258Z

cve-icon NVD

Status : Modified

Published: 2023-03-31T12:15:06.700

Modified: 2024-11-21T07:39:53.017

Link: CVE-2023-1775

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.