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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201202-08">
<title>stunnel: Arbitrary code execution</title>
<synopsis>A vulnerability was found in stunnel, allowing remote attackers to
cause a Denial of Service and potentially arbitrary code execution.
<product type="ebuild">ebuild stunnel</product>
<announced>February 29, 2012</announced>
<revised>July 30, 2012: 2</revised>
<package name="net-misc/stunnel" auto="yes" arch="*">
<unaffected range="ge">4.44</unaffected>
<unaffected range="lt">4</unaffected>
<vulnerable range="lt">4.44</vulnerable>
<p>The stunnel program is designed to work as an SSL encryption wrapper
between a client and a local or remote server.
<p>An unspecified heap vulnerability was discovered in stunnel.</p>
<impact type="normal">
<p>The vulnerability may possibly be leveraged to perform remote code
execution or a Denial of Service attack.
<p>There is no known workaround at this time.</p>
<p>All stunnel 4.x users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-misc/stunnel-4.44"
<uri link="">CVE-2011-2940</uri>
<metadata timestamp="Sun, 30 Oct 2011 18:44:45 +0000" tag="requester">ago</metadata>
<metadata timestamp="Mon, 30 Jul 2012 23:07:18 +0000" tag="submitter">ago</metadata>