USN-3482-1: ipsec-tools vulnerability

16 November 2017

ipsec-tools vulnerability

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

  • Ubuntu 12.04 ESM


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

Software Description

  • ipsec-tools - IPsec tools for Linux


It was discovered that racoon, the ipsec-tools IKE daemon, incorrectly handled certain ISAKMP fragments. 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 ESM
ipsec-tools - 1:0.8.0-9ubuntu1.2
racoon - 1:0.8.0-9ubuntu1.2

To update your system, please follow these instructions:

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