GLSA-201204-06 : PolicyKit: Multiple vulnerabilities

medium Nessus Plugin ID 59622

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201204-06 (PolicyKit: Multiple vulnerabilities)

Multiple vulnerabilities have been found in PolicyKit:
Error messages in the pkexec utility disclose the existence of local files (CVE-2010-0750).
The pkexec utility initially checks the effective user ID of its parent process for authorization, instead of checking the real user ID (CVE-2011-1485).
Members of the 'wheel' group are able to execute commands as an administrator without a password (CVE-2011-4945).
Impact :

A local attacker could gain elevated privileges or sensitive information.
Workaround :

There is no known workaround at this time.

Solution

All PolicyKit users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=sys-auth/polkit-0.104-r1'

See Also

https://security.gentoo.org/glsa/201204-06

Plugin Details

Severity: Medium

ID: 59622

File Name: gentoo_GLSA-201204-06.nasl

Version: 1.10

Type: local

Published: 6/21/2012

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.7

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

Vulnerability Information

CPE: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:polkit

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/17/2012

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Linux PolicyKit Race Condition Privilege Escalation)

Reference Information

CVE: CVE-2010-0750, CVE-2011-1485, CVE-2011-4945

BID: 39198, 47496

GLSA: 201204-06