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Ubuntu Security Notice USN-1961-1
September 18, 2013

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

- Ubuntu 13.04

Summary:

systemd could be tricked into bypassing polkit authorizations.

Software Description:
- systemd: system and service manager

Details:

It was discovered that systemd 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:
  systemd-services                198-0ubuntu11.2

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

References:
  http://www.ubuntu.com/usn/usn-1961-1
  CVE-2013-4327

Package Information:
  https://launchpad.net/ubuntu/+source/systemd/198-0ubuntu11.2