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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201203-13">
<title>Openswan: Denial of Service</title>
<synopsis>Multiple vulnerabilities in Openswan may create a Denial of Service
condition.
</synopsis>
<product type="ebuild">Openswan</product>
<announced>March 16, 2012</announced>
<revised>March 16, 2012: 1</revised>
<bug>372961</bug>
<bug>389097</bug>
<access>local, remote</access>
<affected>
<package name="net-misc/openswan" auto="yes" arch="*">
<unaffected range="ge">2.6.37</unaffected>
<vulnerable range="lt">2.6.37</vulnerable>
</package>
</affected>
<background>
<p>Openswan is an implementation of IPsec for Linux.</p>
</background>
<description>
<p>Two vulnerabilities have been found in Openswan:</p>
<ul>
<li>Improper permissions are used on /var/run/starter.pid and
/var/lock/subsys/ipsec (CVE-2011-2147).
</li>
<li>Openswan contains a use-after-free error in the cryptographic helper
handler (CVE-2011-4073).
</li>
</ul>
</description>
<impact type="normal">
<p>A remote authenticated attacker or a local attacker may be able to cause
a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Openswan users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-misc/openswan-2.6.37"
</code>
<p>NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since November 10, 2011. It is likely that your system is
already no longer affected by this issue.
</p>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2147">CVE-2011-2147</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4073">CVE-2011-4073</uri>
</references>
<metadata timestamp="Tue, 06 Mar 2012 21:14:35 +0000" tag="requester">ackle</metadata>
<metadata timestamp="Fri, 16 Mar 2012 10:56:03 +0000" tag="submitter">ackle</metadata>
</glsa>