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Ubuntu Security Notice USN-2450-1

Ubuntu Security Notice USN-2450-1
Posted Jan 5, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2450-1 - Mike Daskalakis discovered that strongSwan incorrectly handled IKEv2 payloads that contained the Diffie-Hellman group 1025. A remote attacker could use this issue to cause the IKE daemon to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2014-9221
SHA-256 | e073ae358688cdb0a21ed9905fb080eec7a566c02c4544015e7bbc5c380b8632

Ubuntu Security Notice USN-2450-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2450-1
January 05, 2015

strongswan vulnerability
============================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.10
- Ubuntu 14.04 LTS

Summary:

strongSwan could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- strongswan: IPsec VPN solution

Details:

Mike Daskalakis discovered that strongSwan incorrectly handled IKEv2
payloads that contained the Diffie-Hellman group 1025. A remote attacker
could use this issue to cause the IKE daemon to crash, resulting in a
denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
strongswan-ike 5.1.2-0ubuntu3.2

Ubuntu 14.04 LTS:
strongswan-ike 5.1.2-0ubuntu2.2

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2450-1
CVE-2014-9221

Package Information:
https://launchpad.net/ubuntu/+source/strongswan/5.1.2-0ubuntu3.2
https://launchpad.net/ubuntu/+source/strongswan/5.1.2-0ubuntu2.2
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