PT-2023-28966 · Unknown · Mattermost

Harrison Healey · Published 2023-11-27 · Updated 2023-12-01 · CVE-2023-43754

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

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

Description The issue arises from Mattermost's failure to check if the "Allow users to view archived channels" setting is enabled when displaying permalink previews. This oversight allows members to view permalink previews of archived channels, even if the "Allow users to view archived channels" setting is disabled.

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

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2023-43754

GHSA-JJR7-372R-CX7X

Affected Products

Mattermost

References · 8

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-43754 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-jjr7-372r-cx7x · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-43754 · Security Note
• https://github.com/mattermost/mattermost · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-43754 · Note
• https://t.me/cvenotify/61945 · Telegram Post
• https://t.me/cvenotify/61217 · Telegram Post