CVE-2023-5196

DoS via Channel Notification Properties

State: Published
Severity: 6.5 Medium
Published: Sep 29, 2023
Updated: Sep 20, 2024
Reserved: Sep 26, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	Mattermost

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
MattermostMattermost	7.8.9 and earlierAffected 8.1.0Affected 8.0.1 and earlierAffected 7.8.10Not affected 8.1.1Not affected 8.0.2Not affected

References

https://mattermost.com/security-updates

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