SB2015010702 - Data Handling in strongSwan
Published: January 7, 2015 Updated: July 28, 2020
Security Bulletin ID
SB2015010702
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) Data Handling (CVE-ID: CVE-2014-9221)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
strongSwan 4.5.x through 5.2.x before 5.2.1 allows remote attackers to cause a denial of service (invalid pointer dereference) via a crafted IKEv2 Key Exchange (KE) message with Diffie-Hellman (DH) group 1025.
Remediation
Install update from vendor's website.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153825.html
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00054.html
- http://secunia.com/advisories/62071
- http://secunia.com/advisories/62083
- http://secunia.com/advisories/62095
- http://secunia.com/advisories/62663
- http://strongswan.org/blog/2015/01/05/strongswan-5.2.2-released.html
- http://strongswan.org/blog/2015/01/05/strongswan-denial-of-service-vulnerability-(cve-2014-9221).html
- http://www.debian.org/security/2015/dsa-3118
- http://www.securityfocus.com/bid/71894
- http://www.ubuntu.com/usn/USN-2450-1