IT-Grundschutz M4.227: Einsatz eines lokalen NTP-Servers zur Zeitsynchronisation

###############################################################################
# OpenVAS Vulnerability Test
# $Id: GSHB_M4_227.nasl 7883 2017-11-23 11:22:59Z emoss $
#
# IT-Grundschutz, 14. EL, Maßnahme 4.227
#
# Authors:
# Thomas Rotter <[email protected]>
#
# Copyright:
# Copyright (c) 2015 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_id(94219);
  script_version("$Revision: 7883 $");
  script_tag(name:"last_modification", value:"$Date: 2017-11-23 12:22:59 +0100 (Thu, 23 Nov 2017) $");
  script_tag(name:"creation_date", value:"2015-03-25 10:14:11 +0100 (Wed, 25 Mar 2015)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
  script_tag(name:"qod_type", value:"registry");
  script_name("IT-Grundschutz M4.227: Einsatz eines lokalen NTP-Servers zur Zeitsynchronisation");
  script_xref(name : "URL" , value : "http://www.bsi.bund.de/DE/Themen/ITGrundschutz/ITGrundschutzKataloge/Inhalt/_content/m/m04/m04227.html");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (c) 2015 Greenbone Networks GmbH");
  script_family("IT-Grundschutz-15");
  script_mandatory_keys("Tools/Present/wmi");
  script_mandatory_keys("Compliance/Launch/GSHB-15");
  script_dependencies("GSHB/GSHB_WMI_NtpServer.nasl", "GSHB/GSHB_WMI_OSInfo.nasl");
  script_require_keys("WMI/NtpServer", "WMI/WMI_WindowsDomain");
  script_tag(name : "summary" , value :
"IT-Grundschutz M4.227: Einsatz eines lokalen NTP-Servers zur Zeitsynchronisation.

Stand: 14. Ergänzungslieferung (14. EL).
");

  exit(0);
}

include("itg.inc");

name = 'IT-Grundschutz M4.227: Einsatz eines lokalen NTP-Servers zur Zeitsynchronisation\n';

gshbm =  "IT-Grundschutz M4.227: ";
WMIOSLOG = get_kb_item("WMI/WMI_OS/log");
ntpserver = get_kb_item("WMI/NtpServer");
ntpserver = tolower(ntpserver);
domain = get_kb_item("WMI/WMI_WindowsDomain");
domain = tolower(domain);
log = get_kb_item("WMI/NtpServer/log");

if (ntpserver >!< "none" && ntpserver >!< "error") ntpserver = split(ntpserver, sep:",", keep:0);

if (WMIOSLOG == "On the Target System runs Samba, it is not an Microsoft System."){
  result = string("nicht zutreffend");
  desc = string("Auf dem System läuft Samba,\nes ist kein Microsoft Windows System.");
}else if("error" >< ntpserver){
  result = string("Fehler");
  if (!log) desc = string("Beim Testen des Systems trat ein Fehler auf.");
  if (log) desc = string("Beim Testen des Systems trat ein Fehler auf:\n" + log);
}else if("none" >< ntpserver){
  result = string("nicht zutreffend");
  desc = string("Auf dem System wurde kein Eintrag für einen\nNTP-Server gefunden");
}else if(domain >< ntpserver[0]){
  result = string("erfüllt");
  desc = string("Auf dem System wurde ein lokaler NTP-Server\nhinterlegt: " + ntpserver[0]);
}else if(domain >!< ntpserver[0]){
  result = string("nicht erfüllt");
  desc = string("Auf dem System wurde ein externer NTP-Server\nhinterlegt: " + ntpserver[0]);
}

set_kb_item(name:"GSHB/M4_227/result", value:result);
set_kb_item(name:"GSHB/M4_227/desc", value:desc);
set_kb_item(name:"GSHB/M4_227/name", value:name);

silence = get_kb_item("GSHB/silence");
if (!silence) itg_send_details (itg_id: 'GSHB/M4_227');

exit(0);