Public Date:
1002375: CVE-2013-4288 polkit: unix-process subject for authorization is racy

The MITRE CVE dictionary describes this issue as:

Race condition in PolicyKit (aka polkit) allows local users to bypass intended PolicyKit restrictions and gain privileges by starting a setuid or pkexec process before the authorization check is performed, related to (1) the polkit_unix_process_new API function, (2) the dbus API, or (3) the --process (unix-process) option for authorization to pkcheck.

Find out more about CVE-2013-4288 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.9
Base Metrics AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (polkit) RHSA-2013:1270 2013-09-19

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 polkit Not affected


Red Hat would like to thank Sebastian Krahmer of the SUSE Security Team for reporting this issue.