Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
Advisories
Source ID Title
EUVD EUVD EUVD-2022-6874 Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
Github GHSA Github GHSA GHSA-m7w4-q5vg-5xfp Mattermost subject to Denial of Service via upload of special GIF
Fixes

Solution

Update Mattermost to version v7.2 or higher.


Workaround

No workaround given by the vendor.

History

Sat, 07 Dec 2024 00:15:00 +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: 2024-12-06T23:07:48.369Z

Reserved: 2022-09-21T00:00:00

Link: CVE-2022-3257

cve-icon Vulnrichment

Updated: 2024-08-03T01:07:05.657Z

cve-icon NVD

Status : Modified

Published: 2022-09-23T15:15:13.857

Modified: 2024-11-21T07:19:09.480

Link: CVE-2022-3257

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.