CVE-2023-5876

Regex DoS from a malicious server enrolled in Desktop

Description

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.

Remediation

Solution:

  • Update Mattermost Desktop to versions v5.5.1 or higher.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory mattermost.com
Affected: Mattermost Mattermost Desktop
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-5876?
CVE-2023-5876 has been scored as a low severity vulnerability.
How to fix CVE-2023-5876?
To fix CVE-2023-5876: Update Mattermost Desktop to versions v5.5.1 or higher.
Is CVE-2023-5876 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-5876 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5876?
CVE-2023-5876 affects Mattermost Mattermost Desktop.
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