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RHEL 6 : polkit (RHSA-2011:0455)

medium Nessus Plugin ID 53500

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Synopsis

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

Description

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.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/cve-2011-1485

https://access.redhat.com/errata/RHSA-2011:0455

Plugin Details

Severity: Medium

ID: 53500

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

Version: 1.19

Type: local

Agent: unix

Published: 4/20/2011

Updated: 1/14/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: Medium

Base Score: 6.9

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

Vulnerability Information

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

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: 4/19/2011

Vulnerability Publication Date: 5/31/2011

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Linux PolicyKit Race Condition Privilege Escalation)

Reference Information

CVE: CVE-2011-1485

RHSA: 2011:0455