dbus/SoftwarePropertiesDBus.py in Software Properties 0.92.17 before 0.92.17.3, 0.92.9 before 0.92.9.3, and 0.82.7 before 0.82.7.5 does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.
https://launchpad.net/ubuntu/+source/software-properties/0.92.9.3
https://launchpad.net/ubuntu/+source/software-properties/0.92.17.3
https://launchpad.net/ubuntu/+source/software-properties/0.82.7.5
https://exchange.xforce.ibmcloud.com/vulnerabilities/87381
http://www.ubuntu.com/usn/USN-1960-1
http://secunia.com/advisories/54909
http://launchpadlibrarian.net/150156695/software-properties_0.92.17.2_0.92.17.3.diff.gz