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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201202-02">
<title>Quagga: Multiple vulnerabilities</title>
<synopsis>Multiple vulnerabilities were found in Quagga, the worst of which
leading to remote execution of arbitrary code.
</synopsis>
<product type="ebuild">Quagga</product>
<announced>February 21, 2012</announced>
<revised>February 21, 2012: 2</revised>
<bug>334303</bug>
<bug>359903</bug>
<bug>384651</bug>
<access>remote</access>
<affected>
<package name="net-misc/quagga" auto="yes" arch="*">
<unaffected range="ge">0.99.20 </unaffected>
<vulnerable range="lt">0.99.20 </vulnerable>
</package>
</affected>
<background>
<p>Quagga is a free routing daemon replacing Zebra supporting RIP, OSPF and
BGP.
</p>
</background>
<description>
<p>Multiple vulnerabilities have been discovered in Quagga. Please review
the CVE identifiers referenced below for details.
</p>
</description>
<impact type="high">
<p>A BGP peer could send a Route-Refresh message with specially-crafted ORF
record, which can cause Quagga's bgpd to crash or possibly execute
arbitrary code with the privileges of the user running Quagga's bgpd; a
BGP update AS path request with unknown AS type, or malformed
AS-Pathlimit or Extended-Community attributes could lead to Denial of
Service (daemon crash), an error in bgpd when handling AS_PATH attributes
within UPDATE messages can
be exploited to cause a heap-based buffer overflow resulting in a crash
of the
daemon and disruption of IPv4 routing, two errors in ospf6d and ospfd can
each be exploited to crash the daemon and disrupt IP routing.
</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 "&gt;=net-misc/quagga-0.99.20"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1674">CVE-2010-1674</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1675">CVE-2010-1675</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2948">CVE-2010-2948</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2949">CVE-2010-2949</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3323">CVE-2011-3323</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3324">CVE-2011-3324</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3325">CVE-2011-3325</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3326">CVE-2011-3326</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3327">CVE-2011-3327</uri>
</references>
<metadata timestamp="Fri, 07 Oct 2011 23:38:14 +0000" tag="requester">
underling
</metadata>
<metadata timestamp="Tue, 21 Feb 2012 19:14:56 +0000" tag="submitter">a3li</metadata>
</glsa>