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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201401-09">
<title>Openswan: User-assisted execution of arbitrary code</title>
<synopsis>A vulnerability in Openswan could result in execution of arbitrary
code or Denial of Service.
<product type="ebuild">openswan</product>
<announced>January 18, 2014</announced>
<revised>January 18, 2014: 1</revised>
<package name="net-misc/openswan" auto="yes" arch="*">
<unaffected range="ge">2.6.39</unaffected>
<vulnerable range="lt">2.6.39</vulnerable>
<p>Openswan is an implementation of IPsec for Linux.</p>
<p>A buffer overflow flaw has been discovered in Openswan when using
Opportunistic Encryption.
<impact type="normal">
<p>A remote attacker could send a specially crafted DNS TXT record,
possibly resulting in execution of arbitrary code with the privileges of
the process or a Denial of Service condition.
<p>There is no known workaround at this time.</p>
<p>All Openswan users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-misc/openswan-2.6.39"
<uri link="">CVE-2013-2053</uri>
<metadata tag="requester" timestamp="Sun, 01 Sep 2013 18:39:23 +0000">ackle</metadata>
<metadata tag="submitter" timestamp="Sat, 18 Jan 2014 20:05:02 +0000">ackle</metadata>