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==========================================================================
Ubuntu Security Notice USN-1456-1
May 31, 2012

nut vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS

Summary:

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

Software Description:
- 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).

Update instructions:

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

Ubuntu 12.04 LTS:
  nut-server                      2.6.3-1ubuntu1.1

Ubuntu 11.10:
  nut-server                      2.6.1-2ubuntu2.1

Ubuntu 11.04:
  nut                             2.6.0-1ubuntu3.1

Ubuntu 10.04 LTS:
  nut                             2.4.3-1ubuntu3.2

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

References:
  http://www.ubuntu.com/usn/usn-1456-1
  CVE-2012-2944

Package Information:
  https://launchpad.net/ubuntu/+source/nut/2.6.3-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/nut/2.6.1-2ubuntu2.1
  https://launchpad.net/ubuntu/+source/nut/2.6.0-1ubuntu3.1
  https://launchpad.net/ubuntu/+source/nut/2.4.3-1ubuntu3.2



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