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+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
+<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200908-08">
+ <title>ISC DHCP: dhcpd Denial of Service</title>
+ <synopsis>
+ dhcpd as included in the ISC DHCP implementation does not properly handle
+ special conditions, leading to a Denial of Service.
+ </synopsis>
+ <product type="ebuild">dhcp</product>
+ <announced>August 18, 2009</announced>
+ <revised>August 18, 2009: 01</revised>
+ <bug>275231</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-misc/dhcp" auto="yes" arch="*">
+ <unaffected range="ge">3.1.2_p1</unaffected>
+ <vulnerable range="lt">3.1.2_p1</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ ISC DHCP is the reference implementation of the Dynamic Host
+ Configuration Protocol as specified in RFC 2131.
+ </p>
+ </background>
+ <description>
+ <p>
+ Christoph Biedl discovered that dhcpd does not properly handle certain
+ DHCP requests when configured both using "dhcp-client-identifier" and
+ "hardware ethernet".
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker might send a specially crafted request to dhcpd,
+ possibly resulting in a Denial of Service (daemon crash).
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All ISC DHCP users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose &quot;&gt;=net-misc/dhcp-3.1.2_p1&quot;</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1892">CVE-2009-1892</uri>
+ </references>
+ <metadata tag="requester" timestamp="Tue, 28 Jul 2009 17:01:31 +0000">
+ rbu
+ </metadata>
+ <metadata tag="submitter" timestamp="Tue, 04 Aug 2009 19:40:02 +0000">
+ a3li
+ </metadata>
+ <metadata tag="bugReady" timestamp="Wed, 05 Aug 2009 13:32:31 +0000">
+ a3li
+ </metadata>
+</glsa>