PT-2023-30649 · Unknown · Mattermost

Eva Sarafianou · CVE-2023-47865 · Published 2023-11-27 · Updated 2023-12-01

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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 hardened mode is enabled when overriding the username and/or the icon when posting. If settings allow integrations to override the username and profile picture, a member can also override these elements when making a post, even with Hardened Mode enabled.

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

Exploit

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2023-47865

GHSA-JJ46-9CGH-QMFX

Affected Products

Mattermost

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47865.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-47865 · Security Note
• https://osv.dev/vulnerability/CVE-2023-47865 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-jj46-9cgh-qmfx · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://t.me/cvenotify/61935 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-47865 · Note