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