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Gentoo Linux Security Advisory GLSA 201412-44
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http://security.gentoo.org/
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Severity: High
Title: policycoreutils: Privilege escalation
Date: December 26, 2014
Bugs: #509896
ID: 201412-44

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Synopsis
========

A vulnerability in policycoreutils could lead to local privilege
escalation.

Background
==========

policycoreutils is a collection of SELinux policy utilities.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 sys-apps/policycoreutils
< 2.2.5-r4 >= 2.2.5-r4

Description
===========

The seunshare utility is owned by root with 4755 permissions which can
be exploited by a setuid system call.

Impact
======

A local attacker may be able to gain escalated privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All policycoreutils users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot -v “>=sys-apps/policycoreutils-2.2.5-r4”

References
==========

[ 1 ] CVE-2014-3215
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3215

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201412-44.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2014 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5

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