Regex DoS from a malicious server enrolled in Desktop
CVE-2023-5876

5.3MEDIUM

Key Information:

Vendor

Mattermost
Status
Mattermost Desktop
Vendor
CVE Published:
2 November 2023

What is CVE-2023-5876?

Mattermost fails to properly validate a RegExp built off the server URL path, allowing an attacker in control of an enrolled server to mount a Denial Of Service.

Affected Version(s)

Mattermost Desktop 0 <= 5.5.0

Mattermost Desktop 5.5.1

References

https://mattermost.com/security-updates

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

DoyenSec
.