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Gentoo Linux Security Advisory GLSA 200901-04
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http://security.gentoo.org/
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Severity: Normal
Title: D-Bus: Denial of Service
Date: January 11, 2009
Bugs: #240308
ID: 200901-04
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Synopsis
=======
An error condition can cause D-Bus to crash.
Background
=========
D-Bus is a daemon providing a framework for applications to communicate
with one another.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-apps/dbus < 1.2.3-r1 >= 1.2.3-r1
Description
==========
schelte reported that the dbus_signature_validate() function can
trigger a failed assertion when processing a message containing a
malformed signature.
Impact
=====
A local user could send a specially crafted message to the D-Bus
daemon, leading to a Denial of Service.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All D-Bus users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/dbus-1.2.3-r1"
References
=========
[ 1 ] CVE-2008-3834
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3834
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200901-04.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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