SB2024031220 - Local denial of service in libreswan
Published: March 12, 2024
Security Bulletin ID
SB2024031220
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Error Handling (CVE-ID: CVE-2024-2357)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect handling of a missing PreSharedKey when a connection is configured to use reSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup sing the auto= keyword, it can cause repeated crashes leading to a denial of service.Remediation
Install update from vendor's website.