USN-2430-1: OpenVPN vulnerability

Publication date

2 December 2014

Overview

OpenVPN could be made to crash if it received specially crafted network traffic.


Packages

  • openvpn - virtual private network software

Details

Dragana Damjanovic discovered that OpenVPN incorrectly handled certain
control channel packets. An authenticated attacker could use this issue to
cause an OpenVPN server to crash, resulting in a denial of service.

Dragana Damjanovic discovered that OpenVPN incorrectly handled certain
control channel packets. An authenticated attacker could use this issue to
cause an OpenVPN server to crash, resulting in a denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
14.10 utopic openvpn –  2.3.2-9ubuntu1.1
14.04 trusty openvpn –  2.3.2-7ubuntu3.1
12.04 precise openvpn –  2.2.1-8ubuntu1.4

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