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[gentoo-announce] [ GLSA 200905-06 ] acpid: Denial of Service

Posted on 24 May 2009
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 200905-06
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http://security.gentoo.org/
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Severity: Normal
Title: acpid: Denial of Service
Date: May 24, 2009
Bugs: #268079
ID: 200905-06

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Synopsis
========
An error in acpid might allow remote attackers to cause a Denial of
Service.

Background
==========
acpid is a daemon for the Advanced Configuration and Power Interface
(ACPI).

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-power/acpid < 1.0.10 >= 1.0.10

Description
===========
The acpid daemon allows opening a large number of UNIX sockets without
closing them, triggering an infinite loop.

Impact
======
Remote attackers can cause a Denial of Service (CPU consumption and
connectivity loss).

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

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

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-power/acpid-1.0.10"

References
==========
[ 1 ] CVE-2009-0798
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0798

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

http://security.gentoo.org/glsa/glsa-200905-06.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
http://bugs.gentoo.org.

License
=======
Copyright 2009 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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