Data Handling in strongSwan - CVE-2014-9221
Published: January 7, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32451
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-9221
CWE-ID: CWE-19
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: strongswan.org
Affected software:
strongSwan
strongSwan
Detailed vulnerability description
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.
How to mitigate CVE-2014-9221
Install update from vendor's website.
Sources
- 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