SB2015082512 - Fedora 21 update for libreswan
Published: August 25, 2015 Updated: April 24, 2025
Security Bulletin ID
SB2015082512
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-2015-3240)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The pluto IKE daemon in libreswan before 3.15 and Openswan before 2.6.45, when built with NSS, allows remote attackers to cause a denial of service (assertion failure and daemon restart) via a zero DH g^x value in a KE payload in a IKE packet.
Remediation
Install update from vendor's website.