<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <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. </synopsis> <product type="ebuild">ebuild stunnel</product> <announced>2012-02-29</announced> <revised count="2">2012-07-30</revised> <bug>379859</bug> <access>remote</access> <affected> <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> </package> </affected> <background> <p>The stunnel program is designed to work as an SSL encryption wrapper between a client and a local or remote server. </p> </background> <description> <p>An unspecified heap vulnerability was discovered in stunnel.</p> </description> <impact type="normal"> <p>The vulnerability may possibly be leveraged to perform remote code execution or a Denial of Service attack. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All stunnel 4.x users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/stunnel-4.44" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2940">CVE-2011-2940</uri> </references> <metadata timestamp="2011-10-30T18:44:45Z" tag="requester">ago</metadata> <metadata timestamp="2012-07-30T23:07:18Z" tag="submitter">ago</metadata> </glsa>