Vulnerability · Published Jun 2, 2022 · Assigned by Mattermost

CVE-2022-1982A crafted SVG attachment can crash a Mattermost server

Medium 4.3

In plain English

A medium-severity uncontrolled resource consumption in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.9%top 38.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Uncontrolled resource consumption in Mattermost version 6.6.0 and earlier allows an authenticated attacker to crash the server via a crafted SVG attachment on a post.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/mattermost/mattermost-server6.6.1GHSA-gwpf-95jc-63rv
Gogithub.com/mattermost/mattermost-server6.5.1GHSA-gwpf-95jc-63rv
Gogithub.com/mattermost/mattermost-server6.4.3GHSA-gwpf-95jc-63rv
Gogithub.com/mattermost/mattermost-server6.3.8GHSA-gwpf-95jc-63rv

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost 6.5.x 6.5.06.6.x 6.6.05.x – through 5.396.x – through 6.3.76.4.x – through 6.4.2

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References