RHEL 6 : polkit (RHSA-2011:0455)

Medium Nessus Plugin ID 53500


The remote Red Hat host is missing one or more security updates.


Updated polkit packages that fix one security issue are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

PolicyKit is a toolkit for defining and handling authorizations.

A race condition flaw was found in the PolicyKit pkexec utility and polkitd daemon. A local user could use this flaw to appear as a privileged user to pkexec, allowing them to execute arbitrary commands as root by running those commands with pkexec. (CVE-2011-1485)

Red Hat would like to thank Neel Mehta of Google for reporting this issue.

All polkit users should upgrade to these updated packages, which contain backported patches to correct this issue. The system must be rebooted for this update to take effect.


Update the affected packages.

See Also



Plugin Details

Severity: Medium

ID: 53500

File Name: redhat-RHSA-2011-0455.nasl

Version: $Revision: 1.12 $

Type: local

Agent: unix

Published: 2011/04/20

Modified: 2017/01/04

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:polkit, p-cpe:/a:redhat:enterprise_linux:polkit-debuginfo, p-cpe:/a:redhat:enterprise_linux:polkit-desktop-policy, p-cpe:/a:redhat:enterprise_linux:polkit-devel, p-cpe:/a:redhat:enterprise_linux:polkit-docs, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:6.0

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2011/04/19

Exploitable With


Core Impact

Metasploit (Linux PolicyKit Race Condition Privilege Escalation)

Reference Information

CVE: CVE-2011-1485

OSVDB: 72261

RHSA: 2011:0455