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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200705-05">
<title>Quagga: Denial of Service</title>
<synopsis>
A vulnerability has been discovered in Quagga allowing for a Denial of
Service.
</synopsis>
<product type="ebuild">quagga</product>
<announced>May 02, 2007</announced>
<revised>May 02, 2007: 01</revised>
<bug>174206</bug>
<access>remote</access>
<affected>
<package name="net-misc/quagga" auto="yes" arch="*">
<unaffected range="ge">0.98.6-r2</unaffected>
<vulnerable range="lt">0.98.6-r2</vulnerable>
</package>
</affected>
<background>
<p>
Quagga is a free routing daemon, supporting RIP, OSPF and BGP
protocols.
</p>
</background>
<description>
<p>
The Quagga development team reported a vulnerability in the BGP routing
deamon when processing NLRI attributes inside UPDATE messages.
</p>
</description>
<impact type="normal">
<p>
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.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Quagga users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-misc/quagga-0.98.6-r2&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1995">CVE-2007-1995</uri>
</references>
<metadata tag="requester" timestamp="Mon, 23 Apr 2007 20:01:28 +0000">
falco
</metadata>
<metadata tag="submitter" timestamp="Wed, 25 Apr 2007 21:27:10 +0000">
p-y
</metadata>
<metadata tag="bugReady" timestamp="Mon, 30 Apr 2007 08:45:01 +0000">
p-y
</metadata>
</glsa>