PT-2024-29675 · Mattermost · Mattermost

Juho Nurminen · Published 2024-04-26 · Updated 2024-06-05 · CVE-2024-4198

Positive Technologies (AI Summary)

CVSS v3.1

2.7

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost versions 8.1.x through 8.1.11 Mattermost versions 9.5.x through 9.5.2 Mattermost version 9.6.0

Description The issue arises from the failure to fully validate role changes, allowing an attacker authenticated as a team admin to demote users to guest via crafted HTTP requests.

Recommendations For Mattermost versions 8.1.x through 8.1.11, update to version 8.1.12 or later. For Mattermost versions 9.5.x through 9.5.2, update to version 9.5.3 or later. For Mattermost version 9.6.0, consider disabling role change functionality until a patch is available.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2024-4198

GHSA-5QX9-9FFJ-5R8F

GO-2024-2794

Affected Products

Mattermost

References · 12

• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-4198 · Security Note
• https://osv.dev/vulnerability/CVE-2024-4198 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2024-2794 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-5qx9-9ffj-5r8f · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/commit/408ce4a82bb55ce27801f7044d9b3b49e82c47ed · Note
• https://github.com/mattermost/mattermost/commit/3d6d8a7c1f7105558fe266a1b379859a4dba4e9b · Note
• https://github.com/mattermost/mattermost/commit/fba5b8e348feada9b21290369c3598ccd5c04424 · Note
• https://twitter.com/VulmonFeeds/status/1783811027643044277 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-4198 · Note
• https://github.com/advisories/GHSA-5qx9-9ffj-5r8f · Note