Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.

Advisories
Source ID Title
EUVD EUVD EUVD-2024-0537 Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.
Github GHSA Github GHSA GHSA-6mx3-9qfh-77gj Mattermost denial of service through long emoji value
Fixes

Solution

Update Mattermost Server to versions 9.4.0, 9.3.1, 9.2.5, 8.1.9 or higher.


Workaround

No workaround given by the vendor.

References
History

Fri, 10 Jan 2025 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server

cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2024-08-01T23:36:21.288Z

Reserved: 2024-02-26T08:14:42.970Z

Link: CVE-2024-24988

cve-icon Vulnrichment

Updated: 2024-08-01T23:36:21.288Z

cve-icon NVD

Status : Analyzed

Published: 2024-02-29T08:15:47.640

Modified: 2025-01-10T15:38:05.187

Link: CVE-2024-24988

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.