SB2024043088 - Red Hat Enterprise Linux 9 update for libreswan
Published: April 30, 2024
Security Bulletin ID
SB2024043088
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Error Handling (CVE-ID: CVE-2024-2357)
CWE-ID: CWE-388 - Error Handling
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
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.