PT-2023-31904 · Unknown · Mattermost

Vultza · Published 2023-09-29 · Updated 2023-10-03 · CVE-2023-5196

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

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

Description Mattermost fails to enforce character limits in all possible notification props, allowing an attacker to send a really long value for a notification prop, resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.

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

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2023-5196

GHSA-33R7-WJFC-7W98

Affected Products

Mattermost

References · 10

• https://osv.dev/vulnerability/CVE-2023-5196 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-5196 · Security Note
• https://osv.dev/vulnerability/GHSA-33r7-wjfc-7w98 · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://twitter.com/VulmonFeeds/status/1707741479240597698 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5196 · Note
• https://t.me/cibsecurity/71277 · Telegram Post
• https://twitter.com/CVEnew/status/1707691344234197488 · Twitter Post
• https://t.me/cvenotify/58748 · Telegram Post