What is GHSA-m7w4-q5vg-5xfp?

GHSA-m7w4-q5vg-5xfp is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost subject to Denial of Service via upload of special GIF

Which CVE IDs does GHSA-m7w4-q5vg-5xfp cover?

GHSA-m7w4-q5vg-5xfp covers the following CVE IDs: CVE-2022-3257. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m7w4-q5vg-5xfp?

GHSA-m7w4-q5vg-5xfp has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

Which products are affected by GHSA-m7w4-q5vg-5xfp?

GHSA-m7w4-q5vg-5xfp affects 1 product, including: go/github.com/mattermost/mattermost-server/v6:\u003e= 7.1.0, \u003c 7.2.0.

GHSA-m7w4-q5vg-5xfpMediumCVSS 6.5

Mattermost subject to Denial of Service via upload of special GIF

Vendor

GitHub Security Advisories

Published

September 25, 2022

Last Modified

March 27, 2023

🔗 CVE IDs covered (1)

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.

🎯 Affected products1

go/github.com/mattermost/mattermost-server/v6:>= 7.1.0, < 7.2.0

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2022-3257
https://hackerone.com/reports/1620170
https://mattermost.com/security-updates/
https://github.com/advisories/GHSA-m7w4-q5vg-5xfp