CVE-2014-9221
First published: Wed Jan 07 2015(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| strongSwan | =4.5.0 | |
| strongSwan | =4.5.1 | |
| strongSwan | =4.5.2 | |
| strongSwan | =4.5.3 | |
| strongSwan | =4.6.0 | |
| strongSwan | =4.6.1 | |
| strongSwan | =4.6.2 | |
| strongSwan | =4.6.3 | |
| strongSwan | =4.6.4 | |
| strongSwan | =5.0.0 | |
| strongSwan | =5.0.1 | |
| strongSwan | =5.0.2 | |
| strongSwan | =5.0.3 | |
| strongSwan | =5.0.4 | |
| strongSwan | =5.1.0 | |
| strongSwan | =5.1.1 | |
| strongSwan | =5.1.2 | |
| strongSwan | =5.1.3 | |
| strongSwan | =5.2.0 | |
| SUSE Linux | =13.1 | |
| SUSE Linux | =13.2 | |
| Ubuntu | =14.04 | |
| Ubuntu | =14.10 | |
| Fedora | =21 | |
| Debian | =7.0 |
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Reference Links
- 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
- http://strongswan.org/blog/2015/01/05/strongswan-denial-of-service-vulnerability-%28cve-2014-9221%29.html
Frequently Asked Questions
What is the severity of CVE-2014-9221?
The severity of CVE-2014-9221 is classified as a denial of service vulnerability.
How do I fix CVE-2014-9221?
To fix CVE-2014-9221, upgrade strongSwan to version 5.2.1 or later.
Which versions of strongSwan are affected by CVE-2014-9221?
Versions of strongSwan from 4.5.x through 5.2.0 are affected by CVE-2014-9221.
What type of attack does CVE-2014-9221 facilitate?
CVE-2014-9221 allows remote attackers to perform a denial of service via a crafted IKEv2 Key Exchange message.
What conditions lead to the vulnerability described in CVE-2014-9221?
The vulnerability occurs due to an invalid pointer dereference when handling a Diffie-Hellman group 1025 during the IKEv2 Key Exchange.
- agent/type
- agent/weakness
- agent/severity
- agent/author
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/strongswan
- canonical/strongswan
- version/strongswan/4.5.0
- version/strongswan/4.5.1
- version/strongswan/4.5.2
- version/strongswan/4.5.3
- version/strongswan/4.6.0
- version/strongswan/4.6.1
- version/strongswan/4.6.2
- version/strongswan/4.6.3
- version/strongswan/4.6.4
- version/strongswan/5.0.0
- version/strongswan/5.0.1
- version/strongswan/5.0.2
- version/strongswan/5.0.3
- version/strongswan/5.0.4
- version/strongswan/5.1.0
- version/strongswan/5.1.1
- version/strongswan/5.1.2
- version/strongswan/5.1.3
- version/strongswan/5.2.0
- vendor/opensuse
- canonical/suse linux
- version/suse linux/13.1
- version/suse linux/13.2
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/14.04
- version/ubuntu/14.10
- vendor/fedoraproject
- canonical/fedora
- version/fedora/21
- vendor/debian
- canonical/debian
- version/debian/7.0