SB2015060111 - Fedora 22 update for libreswan



SB2015060111 - Fedora 22 update for libreswan

Published: June 1, 2015 Updated: April 24, 2025

Security Bulletin ID SB2015060111
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2015-3204)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

libreswan 3.9 through 3.12 allows remote attackers to cause a denial of service (daemon restart) via an IKEv1 packet with (1) unassigned bits set in the IPSEC DOI value or (2) the next payload value set to ISAKMP_NEXT_SAK.


Remediation

Install update from vendor's website.