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[gentoo-announce] [ GLSA 201412-44 ] policycoreutils: Privilege escalation

Posted on 26 December 2014
Gentoo-announce

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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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