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Gentoo Linux Security Advisory GLSA 200705-05
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http://security.gentoo.org/
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Severity: Normal
Title: Quagga: Denial of Service
Date: May 02, 2007
Bugs: #174206
ID: 200705-05
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Synopsis
========
A vulnerability has been discovered in Quagga allowing for a Denial of
Service.
Background
==========
Quagga is a free routing daemon, supporting RIP, OSPF and BGP
protocols.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/quagga < 0.98.6-r2 >= 0.98.6-r2
Description
===========
The Quagga development team reported a vulnerability in the BGP routing
deamon when processing NLRI attributes inside UPDATE messages.
Impact
======
A malicious peer inside a BGP area could send a specially crafted
packet to a Quagga instance, possibly resulting in a crash of the
Quagga daemon.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Quagga users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/quagga-0.98.6-r2"
References
==========
[ 1 ] CVE-2007-1995
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1995
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200705-05.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 2007 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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