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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200907-12">
<title>ISC DHCP: dhcpclient Remote execution of arbitrary code</title>
A buffer overflow in dhclient as included in the ISC DHCP implementation
allows for the remote execution of arbitrary code with root privileges.
<product type="ebuild">dhcp</product>
<announced>July 14, 2009</announced>
<revised>July 14, 2009: 01</revised>
<package name="net-misc/dhcp" auto="yes" arch="*">
<unaffected range="ge">3.1.1-r1</unaffected>
<vulnerable range="lt">3.1.1-r1</vulnerable>
ISC DHCP is the reference implementation of the Dynamic Host
Configuration Protocol as specified in RFC 2131.
The Mandriva Linux Engineering Team has reported a stack-based buffer
overflow in the subnet-mask handling of dhclient.
<impact type="high">
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
There is no known workaround at this time.
All ISC DHCP users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-misc/dhcp-3.1.1-r1&quot;</code>
<uri link="">CVE-2009-0692</uri>
<metadata tag="requester" timestamp="Sun, 12 Jul 2009 14:21:43 +0000">
<metadata tag="submitter" timestamp="Sun, 12 Jul 2009 14:58:48 +0000">
<metadata tag="bugReady" timestamp="Tue, 14 Jul 2009 17:38:51 +0000">