SB2023092272 - openEuler 22.03 LTS update for mosquitto
Published: September 22, 2023
Security Bulletin ID
SB2023092272
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) Memory leak (CVE-ID: CVE-2023-28366)
The vulnerability allows a remote user to perform DoS attack on the target system.
The vulnerability exists due memory leak in broker. A remote client can send multiple QoS 2 messages with the same message ID, but then never respond to the PUBREC commands, which results in memory leak and denial of service condition.
Remediation
Install update from vendor's website.