CVEs-PoC/2022/CVE-2022-3257.md

CVE-2022-3257

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.

POC

Reference

• https://mattermost.com/security-updates/

Github

No PoCs found on GitHub currently.