<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201412-41"> <title>OpenVPN: Denial of service</title> <synopsis>A vulnerability in OpenVPN could lead to Denial of Service.</synopsis> <product type="ebuild">openvpn</product> <announced>2014-12-26</announced> <revised count="1">2014-12-26</revised> <bug>531308</bug> <access>remote</access> <affected> <package name="net-misc/openvpn" auto="yes" arch="*"> <unaffected range="ge">2.3.6</unaffected> <vulnerable range="lt">2.3.6</vulnerable> </package> </affected> <background> <p>OpenVPN is a multi-platform, full-featured SSL VPN solution.</p> </background> <description> <p>OpenVPN does not properly handle control channel packets that are too small. </p> </description> <impact type="normal"> <p>A remote authenticated attacker could send a specially crafted control channel packet, possibly resulting in a Denial of Service condition. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All OpenVPN users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/openvpn-2.3.6" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8104">CVE-2014-8104</uri> </references> <metadata tag="requester" timestamp="2014-12-04T00:38:51Z">ackle</metadata> <metadata tag="submitter" timestamp="2014-12-26T17:10:38Z">ackle</metadata> </glsa>