Main Vulnerability Database Vulnerabilities #VU30209

Improper Resource Shutdown or Release in Mattermost Server - CVE-2017-18898

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

Vulnerability identifier: #VU30209

CSH Severity: Medium

CVSS v4.0: 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-2017-18898

CWE-ID: CWE-404

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Mattermost, Inc.

Affected software:
Mattermost Server

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.

Install update from vendor's website.