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Ubuntu Security Notice USN-2623-1
June 01, 2015

ipsec-tools vulnerability
==========================================================================

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

– Ubuntu 12.04 LTS

Summary:

ipsec-tools could be made to crash if it received specially crafted network
traffic.

Software Description:
– ipsec-tools: IPsec tools for Linux

Details:

It was discovered that racoon, the ipsec-tools IKE daemon, incorrectly
handled certain UDP packets. A remote attacker could use this issue to
cause racoon 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 12.04 LTS:
racoon 1:0.8.0-9ubuntu1.1

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

References:
http://www.ubuntu.com/usn/usn-2623-1
CVE-2015-4047

Package Information:
https://launchpad.net/ubuntu/+source/ipsec-tools/1:0.8.0-9ubuntu1.1

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