Nmap NSE net: ntp-info

2011-06-01T00:00:00
ID OPENVAS:1361412562310104105
Type openvas
Reporter NSE-Script: The Nmap Security Scanner; NASL-Wrapper: Greenbone Networks GmbH
Modified 2018-10-26T00:00:00

Description

Gets the time and configuration variables from an NTP server. We send two requests: a time request and a

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_nmap_ntp_info_net.nasl 12117 2018-10-26 10:50:36Z cfischer $
#
# Autogenerated NSE wrapper
#
# Authors:
# NSE-Script: Richard Sammet
# NASL-Wrapper: autogenerated
#
# Copyright:
# NSE-Script: The Nmap Security Scanner (http://nmap.org)
# Copyright (C) 2011 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.104105");
  script_version("$Revision: 12117 $");
  script_tag(name:"last_modification", value:"$Date: 2018-10-26 12:50:36 +0200 (Fri, 26 Oct 2018) $");
  script_tag(name:"creation_date", value:"2011-06-01 16:32:46 +0200 (Wed, 01 Jun 2011)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_name("Nmap NSE net: ntp-info");
  script_category(ACT_INIT);
  script_tag(name:"qod_type", value:"remote_analysis");
  script_copyright("NSE-Script: The Nmap Security Scanner; NASL-Wrapper: Greenbone Networks GmbH");
  script_family("Nmap NSE net");
  script_dependencies("nmap_nse_net.nasl");
  script_mandatory_keys("Tools/Launch/nmap_nse_net");

  script_xref(name:"URL", value:"http://www.eecis.udel.edu/~mills/database/reports/ntp4/ntp4.pdf");

  script_tag(name:"summary", value:"Gets the time and configuration variables from an NTP server. We send two requests: a time request
and a 'read variables' (opcode 2) control message. Without verbosity, the script shows the time and
the value of the 'version', 'processor', 'system',
'refid', and 'stratum' variables. With verbosity, all variables are shown.

See RFC 1035 and the Network Time Protocol Version 4 Reference and Implementation Guide
(see the references) for documentation of the protocol.");

  script_tag(name:"solution_type", value:"Mitigation");

  exit(0);
}

include("nmap.inc");

phase = 0;
if (defined_func("scan_phase")) {
  phase = scan_phase();
}

if (phase == 1) {
  argv = make_array();
  nmap_nse_register(script:"ntp-info", args:argv);
} else if (phase == 2) {
    res = nmap_nse_get_results(script:"ntp-info");
    foreach portspec (keys(res)) {
        output_banner = 'Result found by Nmap Security Scanner (ntp-info.nse) http://nmap.org:\n\n';
        if (portspec == "0") {
            security_message(data:output_banner + res[portspec], port:0);
        } else {
            v = split(portspec, sep:"/", keep:0);
            proto = v[0];
            port = v[1];
            security_message(data:output_banner + res[portspec], port:port, protocol:proto);
        }
    }
}