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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201402-25">
<title>OpenSSL: Denial of Service</title>
<synopsis>A vulnerability in OpenSSL's handling of TLS handshakes could
result in a Denial of Service condition.
</synopsis>
<product type="ebuild">openssl</product>
<announced>February 21, 2014</announced>
<revised>February 21, 2014: 1</revised>
<bug>497838</bug>
<access>remote</access>
<affected>
<package name="dev-libs/openssl" auto="yes" arch="*">
<unaffected range="ge">1.0.1f</unaffected>
<unaffected range="lt">1.0.1</unaffected>
<vulnerable range="lt">1.0.1f</vulnerable>
</package>
</affected>
<background>
<p>OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer
(SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general
purpose cryptography library.
</p>
</background>
<description>
<p>A flaw in the ssl3_take_mac function can result in a NULL pointer
dereference.
</p>
</description>
<impact type="normal">
<p>A remote attacker could send a specially crafted TLS handshake,
resulting in a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All OpenSSL 1.0.1 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=dev-libs/openssl-1.0.1f"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4353">CVE-2013-4353</uri>
</references>
<metadata tag="requester" timestamp="Tue, 28 Jan 2014 06:18:59 +0000">
BlueKnight
</metadata>
<metadata tag="submitter" timestamp="Fri, 21 Feb 2014 15:36:48 +0000">
BlueKnight
</metadata>
</glsa>