USN-1456-1: Nut vulnerability

Publication date

31 May 2012

Overview

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


Packages

  • nut - Network UPS tools

Details

Sebastian Pohle discovered that Nut did not properly validate its input
when receiving data over the network. If upsd was configured to allow
connections over the network, a remote attacker could exploit this to
cause a denial of service (application crash).

Sebastian Pohle discovered that Nut did not properly validate its input
when receiving data over the network. If upsd was configured to allow
connections over the network, a remote attacker could exploit this to
cause a denial of service (application crash).

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
12.04 precise nut-server –  2.6.3-1ubuntu1.1
11.10 oneiric nut-server –  2.6.1-2ubuntu2.1
11.04 natty nut –  2.6.0-1ubuntu3.1
10.04 lucid nut –  2.4.3-1ubuntu3.2

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