CVE-2022-3257

Server-side Denial of Service while processing a specifically crafted GIF file

State: Published
Severity: 3.1 Low
Published: Sep 23, 2022
Updated: Dec 6, 2024
Reserved: Sep 21, 2022

Description

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.

Scores

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

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
MattermostMattermost	7.1.x and earlierAffected

References

https://mattermost.com/security-updates/
https://hackerone.com/reports/1620170

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