Input validation error in Mattermost Server - CVE-2017-18873

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Main Vulnerability Database Vulnerabilities #VU30220

Input validation error in Mattermost Server - CVE-2017-18873

Published: June 19, 2020 / Updated: July 17, 2020


Vulnerability identifier: #VU30220
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-18873
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 service disruption.

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of service (channel invisibility) via a misformatted post.


Remediation

Install update from vendor's website.

External links