SB2021032220 - Denial of service in Mattermost Server
Published: March 22, 2021
Security Bulletin ID
SB2021032220
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: N/A)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of WebSockets closing. A remote attacker can exploit the race and cause a denial of service condition on the system.
Remediation
Install update from vendor's website.