PT-2023-32391 · Unknown · Mattermost

Doyensec · Published 2023-11-02 · Updated 2023-11-09 · CVE-2023-5876

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Mattermost (affected versions not specified)

Description The issue arises from Mattermost's failure to properly validate a RegExp built off the server URL path. This allows an attacker in control of an enrolled server to mount a Denial Of Service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2023-5876

Affected Products

Mattermost

References · 5

• https://osv.dev/vulnerability/CVE-2023-5876 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-5876 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory
• https://t.me/cibsecurity/73419 · Telegram Post
• https://t.me/cvenotify/60355 · Telegram Post