CVE-2013-1063: Canonical Ubuntu Linux

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

usb-creator 0.2.47 before 0.2.47.1, 0.2.40 before 0.2.40ubuntu2, and 0.2.38 before 0.2.38.2 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 13.10 only
• Evan Dandrea USB-Creator: version 0.2.38 only; version 0.2.38.1 only; version 0.2.40 only; version 0.2.47 only

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