SB2021082202 - Denial of service in Eclipse Mosquitto
Published: August 22, 2021
Security Bulletin ID
SB2021082202
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-2021-34432)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send a PUBLISH packet with topic length = 0 and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.