68 lines
1.8 KiB
Ruby
68 lines
1.8 KiB
Ruby
# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::Udp
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'NTP Clock Variables Disclosure',
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'Description' => %q{
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This module reads the system internal NTP variables. These variables contain
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potentially sensitive information, such as the NTP software version, operating
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system version, peers, and more.
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},
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'Author' => [ 'Ewerson Guimaraes(Crash) <crash[at]dclabs.com.br>' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'URL','http://www.rapid7.com/vulndb/lookup/ntp-clock-variables-disclosure' ],
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]
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)
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)
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register_options(
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[
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Opt::RPORT(123)
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], self.class)
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end
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def run_host(ip)
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connect_udp
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readvar = "\x16\x02\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" #readvar command
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print_status("Connecting target #{rhost}:#{rport}...")
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print_status("Sending command")
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udp_sock.put(readvar)
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reply = udp_sock.recvfrom(65535, 0.1)
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if not reply or reply[0].empty?
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print_error("#{rhost}:#{rport} - Couldn't read NTP variables")
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return
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end
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p_reply = reply[0].split(",")
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arr_count = 0
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while ( arr_count < p_reply.size)
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if arr_count == 0
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print_good("#{rhost}:#{rport} - #{p_reply[arr_count].slice(12,p_reply[arr_count].size)}") #12 is the adjustment of packet garbage
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arr_count = arr_count + 1
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else
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print_good("#{rhost}:#{rport} - #{p_reply[arr_count].strip}")
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arr_count = arr_count + 1
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end
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end
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disconnect_udp
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end
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end
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