CVE-2023-5196 — Uncontrolled Resource Consumption in Mattermost Mattermost-server V6

CWE-400 — Uncontrolled Resource Consumption4 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.2%
top 54.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Github.com Mattermost Mattermost-server V6Github.com Mattermost Mattermost Server V8Mattermost
Timeline
PublishedSep 29

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages4 packages

▶NVDmattermost/mattermost7.0.0 — 7.8.10+2
▶CVEListV5mattermost/mattermost7.8.9+2

🔴Vulnerability Details

3
CVEList
DoS via Channel Notification Properties↗2023-09-29
▶
OSV
Mattermost Uncontrolled Resource Consumption vulnerability↗2023-09-29
▶
GHSA
Mattermost Uncontrolled Resource Consumption vulnerability↗2023-09-29
▶
CVE-2023-5196 — Uncontrolled Resource Consumption | cvebase