PT-2024-13907 · Mattermost · Mattermost

Leandro Chaves · Published 2024-01-02 · Updated 2024-06-28 · CVE-2023-50333

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 versions prior to v8.1.7

Description The issue arises when a user is demoted to a guest, and the system fails to update the permissions of the current session, allowing these freshly demoted guests to change group names.

Recommendations For versions prior to v8.1.7, update to version v8.1.7 or later to resolve the issue. As a temporary workaround, consider restricting the ability of demoted guests to change group names until a patch is available.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BIT-MATTERMOST-2023-50333

CVE-2023-50333

GHSA-9W97-9RQX-8V4J

GO-2024-2444

Affected Products

Mattermost

References · 14

• https://osv.dev/vulnerability/GHSA-9w97-9rqx-8v4j · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mattermost-2023-50333 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-50333 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-50333 · Security Note
• https://osv.dev/vulnerability/GO-2024-2444 · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/commit/61dd452fb2fcd3ac6f7b2e050f7f0a93a92d95fc · Note
• https://t.me/cibsecurity/74178 · Telegram Post
• https://github.com/advisories/GHSA-9w97-9rqx-8v4j · Note
• https://twitter.com/CVEnew/status/1742127812184780993 · Twitter Post
• https://twitter.com/zoomeye_team/status/1742458547030692297 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-50333 · Note
• https://twitter.com/VulmonFeeds/status/1742158366363779081 · Twitter Post