What’s Vulnerable › Vulnerabilities

CVE-2013-1064

• Severity: medium (CVSS 4.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-10-03 · updated 2026-06-16
• Weakness: CWE-264

Description

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; 0.44ubuntu5.1, 0.44ubuntu7.1 — fixed in 0.45ubuntu2.1
• Canonical Ubuntu Linux: 12.04, 12.10, 13.04

How to fix

Upgrade to a fixed version: Canonical Apt-Xapian-Index 0.45ubuntu2.1. Check the vendor advisory for mitigations.

References

• http://secunia.com/advisories/54914
• http://www.ubuntu.com/usn/USN-1955-1
• https://launchpad.net/ubuntu/+source/apt-xapian-index/0.44ubuntu5.1
• https://launchpad.net/ubuntu/+source/apt-xapian-index/0.44ubuntu7.1
• https://launchpad.net/ubuntu/+source/apt-xapian-index/0.45ubuntu2.1
• http://secunia.com/advisories/54914
• http://www.ubuntu.com/usn/USN-1955-1
• https://launchpad.net/ubuntu/+source/apt-xapian-index/0.44ubuntu5.1
• https://launchpad.net/ubuntu/+source/apt-xapian-index/0.44ubuntu7.1
• https://launchpad.net/ubuntu/+source/apt-xapian-index/0.45ubuntu2.1

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