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gentoo-overlay/metadata/glsa/glsa-200907-12.xml

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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="200907-12">
<title>ISC DHCP: dhcpclient Remote execution of arbitrary code</title>
<synopsis>
A buffer overflow in dhclient as included in the ISC DHCP implementation
allows for the remote execution of arbitrary code with root privileges.
</synopsis>
<product type="ebuild">dhcp</product>
<announced>July 14, 2009</announced>
<revised>July 14, 2009: 01</revised>
<bug>277729</bug>
<access>remote</access>
<affected>
<package name="net-misc/dhcp" auto="yes" arch="*">
<unaffected range="ge">3.1.1-r1</unaffected>
<vulnerable range="lt">3.1.1-r1</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>
The Mandriva Linux Engineering Team has reported a stack-based buffer
overflow in the subnet-mask handling of dhclient.
</p>
</description>
<impact type="high">
<p>
A remote attacker might set up a rogue DHCP server in a victim's local
network, possibly leading to the execution of arbitrary code with root
privileges.
</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-3.1.1-r1&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0692">CVE-2009-0692</uri>
</references>
<metadata tag="requester" timestamp="Sun, 12 Jul 2009 14:21:43 +0000">
a3li
</metadata>
<metadata tag="submitter" timestamp="Sun, 12 Jul 2009 14:58:48 +0000">
a3li
</metadata>
<metadata tag="bugReady" timestamp="Tue, 14 Jul 2009 17:38:51 +0000">
a3li
</metadata>
</glsa>