CVE-2013-1061: Canonical Ubuntu Linux

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 12.10 only; version 13.04 only
• Marc Deslauriers Software-Properties: version 0.82.7 only; version 0.82.7.1 only; version 0.82.7.2 only; version 0.82.7.3 only; version 0.82.7.4 only; version 0.92.9 only; …

Published 2013-10-03. Last modified 2026-06-16.