CVE-2023-5196

MEDIUM6.5EPSS 0.23%

Mattermost Uncontrolled Resource Consumption vulnerability

Published: 9/29/2023Modified: 11/8/2023

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.

Affected packages (2)

Go/github.com/mattermost/mattermost-server/v6from 0, < 7.8.10
Go/github.com/mattermost/mattermost/server/v8>= 8.1.0, < 8.1.1

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References (3)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-5196
PATCHhttps://github.com/mattermost/mattermost
WEBhttps://mattermost.com/security-updates