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gentoo-overlay/metadata/glsa/glsa-201612-13.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201612-13">
<title>nghttp2: Denial of Service</title>
<synopsis>Nghttp2 is vulnerable to a Denial of Service attack.</synopsis>
<product type="ebuild">nghttp2</product>
<announced>December 05, 2016</announced>
<revised>December 05, 2016: 1</revised>
<bug>574780</bug>
<access>remote</access>
<affected>
<package name="net-libs/nghttp2" auto="yes" arch="*">
<unaffected range="ge">1.7.1</unaffected>
<vulnerable range="lt">1.7.1</vulnerable>
</package>
</affected>
<background>
<p>Nghttp2 is an implementation of HTTP/2 and its header compression
algorithm HPACK in C.
</p>
</background>
<description>
<p>Nghttpd, nghttp, and libnghttp2_asio applications do not limit the
memory usage for the incoming HTTP header field. If a peer sends a
specially crafted HTTP/2 HEADERS frame and CONTINUATION frame, they will
crash with an out of memory error.
</p>
</description>
<impact type="normal">
<p>A remote attacker could possibly cause a Denial of Service condition.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All nghttp2 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-libs/nghttp2-1.7.1"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1544">CVE-2016-1544</uri>
</references>
<metadata tag="requester" timestamp="Tue, 22 Nov 2016 13:39:02 +0000">whissi</metadata>
<metadata tag="submitter" timestamp="Mon, 05 Dec 2016 01:23:37 +0000">whissi</metadata>
</glsa>