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.
References
Link Resource
https://hackerone.com/reports/1620170 Exploit Third Party Advisory
https://mattermost.com/security-updates/ Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: Mattermost

Published: 2022-09-23T14:13:39

Updated: 2022-09-23T14:13:39

Reserved: 2022-09-21T00:00:00


Link: CVE-2022-3257

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2022-09-23T15:15:13.857

Modified: 2022-09-26T22:23:15.227


Link: CVE-2022-3257

JSON object: View

cve-icon Redhat Information

No data.