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==========================================================================
Ubuntu Security Notice USN-1962-1
September 18, 2013

ubuntu-system-service vulnerability
==========================================================================

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

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

ubuntu-system-service could be tricked into bypassing polkit
authorizations.

Software Description:
- ubuntu-system-service: Dbus service to set various system-wide configurations

Details:

It was discovered that ubuntu-system-service was using polkit in an unsafe
manner. A local attacker could possibly use this issue to bypass intended
polkit authorizations.

Update instructions:

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

Ubuntu 13.04:
  ubuntu-system-service           0.2.4.1

Ubuntu 12.10:
  ubuntu-system-service           0.2.3.1

Ubuntu 12.04 LTS:
  ubuntu-system-service           0.2.2.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1962-1
  CVE-2013-1062

Package Information:
  https://launchpad.net/ubuntu/+source/ubuntu-system-service/0.2.4.1
  https://launchpad.net/ubuntu/+source/ubuntu-system-service/0.2.3.1
  https://launchpad.net/ubuntu/+source/ubuntu-system-service/0.2.2.1



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