PT-2024-20408 · Mattermost · Mattermost

Vultza · Published 2024-03-15 · Updated 2024-12-16 · CVE-2024-2446

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:N/A:L

Name of the Vulnerable Software and Affected Versions Mattermost versions 8.1.x through 8.1.9 Mattermost versions 9.2.x through 9.2.5 Mattermost versions 9.3.x through 9.3.1 Mattermost versions 9.4.x through 9.4.2

Description The issue allows an authenticated attacker to crash the client applications of other users via large, crafted messages, due to the failure to limit the number of @-mentions processed per message.

Recommendations For Mattermost versions 8.1.x through 8.1.9, update to version 8.1.10 or later. For Mattermost versions 9.2.x through 9.2.5, update to version 9.2.6 or later. For Mattermost versions 9.3.x through 9.3.1, update to version 9.3.2 or later. For Mattermost versions 9.4.x through 9.4.2, update to version 9.4.3 or later.

Fix

Resource Exhaustion

Allocation of Resources Without Limits

Weakness Enumeration

CWE-400

CWE-770

Related Identifiers

BIT-MATTERMOST-2024-2446

CVE-2024-2446

Affected Products

Mattermost

References · 7

• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-2446 · Security Note
• https://osv.dev/vulnerability/CVE-2024-2446 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mattermost-2024-2446 · Vendor Advisory
• https://t.me/cvenotify/73884 · Telegram Post
• https://t.me/cvenotify/104221 · Telegram Post
• https://twitter.com/CVEnew/status/1768569170923237837 · Twitter Post