CVE-2024-24988

Excessive resource consumption when sending long emoji names in user custom status

State: Published
Severity: 4.3 Medium
Published: Feb 29, 2024
Updated: Aug 1, 2024
Reserved: Feb 26, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	Mattermost

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
MattermostMattermost	9.2.4 and earlierAffected 8.1.8 and earlierAffected 9.3.0 and earlierAffected 9.4.0Not affected 9.3.1Not affected 9.2.5Not affected 8.1.9Not affected

References

https://mattermost.com/security-updates

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