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[gentoo-announce] [ GLSA 201310-20 ] acpid2: Privilege escalation

Posted on 28 October 2013
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201310-20
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http://security.gentoo.org/
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Severity: High
Title: acpid2: Privilege escalation
Date: October 28, 2013
Bugs: #434522
ID: 201310-20

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Synopsis
========
A vulnerability in acpid2 may allow a local attacker to gain escalated
privileges.

Background
==========
acpid2 is a daemon for Advanced Configuration and Power Interface.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-power/acpid < 2.0.17 >= 2.0.17

Description
===========
acpid2 does not properly use the pidof program in powerbtn.sh.

Impact
======
A local attacker could gain escalated privileges.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All acpid2 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-power/acpid-2.0.17"

References
==========
[ 1 ] CVE-2011-2777
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2777

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

http://security.gentoo.org/glsa/glsa-201310-20.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 2013 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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