CVE-2013-1064: Canonical Apt-Xapian-Index

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

apt-xapian-index before 0.45ubuntu2.1, 0.44ubuntu7.1, and 0.44ubuntu5.1 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 Apt-Xapian-Index: from 0.45ubuntu1, before 0.45ubuntu2.1 (fixed in 0.45ubuntu2.1); version 0.44ubuntu5.1 only; version 0.44ubuntu7.1 only
• Canonical Ubuntu Linux: version 12.04 only; version 12.10 only; version 13.04 only

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