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Ubuntu Security Notice USN-2430-1
December 02, 2014

openvpn vulnerability

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

• Ubuntu 14.10
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary:

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

Software Description:

• 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.

Update instructions:

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

Ubuntu 14.10:
openvpn 2.3.2-9ubuntu1.1

Ubuntu 14.04 LTS:
openvpn 2.3.2-7ubuntu3.1

Ubuntu 12.04 LTS:
openvpn 2.2.1-8ubuntu1.4

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

References:
http://www.ubuntu.com/usn/usn-2430-1
CVE-2014-8104

Package Information:
https://launchpad.net/ubuntu/+source/openvpn/2.3.2-9ubuntu1.1
https://launchpad.net/ubuntu/+source/openvpn/2.3.2-7ubuntu3.1
https://launchpad.net/ubuntu/+source/openvpn/2.2.1-8ubuntu1.4

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