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CVE-2014-9221

5.0 · MEDIUM

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)…

Published Jan 7, 2015strongswanCWE-19EPSS 3.82%

Overview

CVE-2014-9221 is a medium-severity vulnerability affecting strongswan strongswan. It was published on January 7, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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

Check the references section for vendor advisories and patches from strongswan. Update strongswan to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.fedoraproject.org/pipermail/package-announce/2015-March/153825.htmlReflists.opensuse.org/opensuse-updates/2015-01/msg00054.htmlRefsecunia.com/advisories/62071Refsecunia.com/advisories/62083Refsecunia.com/advisories/62095Refsecunia.com/advisories/62663Refstrongswan.org/blog/2015/01/05/strongswan-5.2.2-released.htmlRefstrongswan.org/blog/2015/01/05/strongswan-denial-of-service-vulnerability-%28cve-2014-9221%29.htmlRefwww.debian.org/security/2015/dsa-3118Refwww.securityfocus.com/bid/71894

How CyberStrike helps

Frequently asked questions

What is CVE-2014-9221?

CVE-2014-9221 is a medium-severity vulnerability affecting strongswan strongswan. It was published on January 7, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2014-9221?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-9221?

Check the references section for vendor advisories and patches from strongswan. Update strongswan to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-9221?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-9221 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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