SB2022012210 - openEuler update for mosquitto
Published: January 22, 2022
Security Bulletin ID
SB2022012210
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) Input validation error (CVE-ID: CVE-2021-41039)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send specially crafted CONNECT packets containing lots of "user properties" and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.