Input validation error in Mattermost Server - CVE-2019-20860

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Main Vulnerability Database Vulnerabilities #VU34239

Input validation error in Mattermost Server - CVE-2019-20860

Published: June 19, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34239
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-20860
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mattermost Server
Software vendor:
Mattermost, Inc.

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

An issue was discovered in Mattermost Server before 5.14.0, 5.13.3, 5.12.6, and 5.9.4. It allows remote attackers to cause a denial of service (application hang) via a crafted SVG document.


Remediation

Install update from vendor's website.

External links