Lucene search
K

IT-Grundschutz M4.277: Absicherung der SMB-, LDAP- und RPC-Kommunikation unter Windows-Servern

🗓️ 25 Mar 2015 00:00:00Reported by Copyright (c) 2015 Greenbone Networks GmbHType 
openvas
 openvas
🔗 plugins.openvas.org👁 12 Views

IT-Grundschutz M4.277: Secure SMB, LDAP, and RPC communications on Windows Servers

Refs
Code
###############################################################################
# OpenVAS Vulnerability Test
# $Id: GSHB_M4_277.nasl 7883 2017-11-23 11:22:59Z emoss $
#
# IT-Grundschutz, 14. EL, Maßnahme 4.277
#
# 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(94223);
  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 M4.277: Absicherung der SMB-, LDAP- und RPC-Kommunikation unter Windows-Servern");
  script_xref(name : "URL" , value : "http://www.bsi.bund.de/DE/Themen/ITGrundschutz/ITGrundschutzKataloge/Inhalt/_content/m/m04/m04277.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_PolSecSet.nasl", "GSHB/GSHB_WMI_OSInfo.nasl");
  script_require_keys("WMI/WMI_OSVER");
  script_tag(name : "summary" , value :
"IT-Grundschutz M4.277: Absicherung der SMB-, LDAP- und RPC-Kommunikation unter Windows-Servern.

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

  exit(0);
}

include("itg.inc");

name = 'IT-Grundschutz M4.277: Absicherung der SMB-, LDAP- und RPC-Kommunikation unter Windows-Servern\n';

gshbm =  "IT-Grundschutz M4.277: ";
CPSGENERAL = get_kb_item("WMI/cps/GENERAL");
log = get_kb_item("WMI/cps/GENERAL/log");
OSVER = get_kb_item("WMI/WMI_OSVER");
OSNAME = get_kb_item("WMI/WMI_OSNAME");
OSTYPE = get_kb_item("WMI/WMI_OSTYPE");
WMIOSLOG = get_kb_item("WMI/WMI_OS/log");
NTLMMinServerSec = get_kb_item("WMI/cps/NTLMMinServerSec");
requiresignorseal = get_kb_item("WMI/cps/requiresignorseal");
requirestrongkey = get_kb_item("WMI/cps/requirestrongkey");
RequireSecuritySignatureWs = get_kb_item("WMI/cps/RequireSecuritySignatureWs");
EnablePlainTextPassword = get_kb_item("WMI/cps/EnablePlainTextPassword");
RequireSecuritySignatureSvr = get_kb_item("WMI/cps/RequireSecuritySignatureSvr");
EnableSecuritySignatureSvr = get_kb_item("WMI/cps/EnableSecuritySignatureSvr");
NoLMHash = get_kb_item("WMI/cps/NoLMHash");
lmcomplevel = get_kb_item("WMI/scp/LMCompatibilityLevel");
LDAPClientIntegrity = get_kb_item("WMI/cps/LDAPClientIntegrity");
NTLMMinClientSec = get_kb_item("WMI/cps/NTLMMinClientSec");


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" >< CPSGENERAL){
  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(!CPSGENERAL){
  result = string("Fehler");
  desc = string("Beim Testen des Systems trat ein Fehler auf.\nEs konnte keine RSOP Abfrage durchgeführt werden.");
}else if(OSTYPE < 2){
  result = string("nicht zutreffend");
  desc = string("Das System ist kein Windows Server.");
}else if (NTLMMinServerSec == "537395248" && requiresignorseal == "1" && requirestrongkey == "1" && RequireSecuritySignatureWs == "1" && EnablePlainTextPassword == "0" && RequireSecuritySignatureSvr == "1" && EnableSecuritySignatureSvr == "1" && NoLMHash == "1" && lmcomplevel >= "5" && LDAPClientIntegrity == "1" && NTLMMinClientSec == "537395248")
{
  result = string("erfüllt");
  desc = string("Die Sicherheitseinstellung stimmen mit der Maßnahme\nM4.277 überein.");
}else{
  result = string("nicht erfüllt");
  if (NTLMMinServerSec != "537395248") val = val + '\n\n' + "Netzwerksicherheit: Minimale Sitzungssicherheit für\nNTLM-SSP-basierte Server (einschließlich sicherer\nRPC-Server)";
  if (requiresignorseal != "1") val = val + '\n\n' + "Domänenmitglied: Daten des sicheren Kanals digital\nverschlüsseln oder signieren (immer)";
  if (requirestrongkey != "1") val = val + '\n\n' + "Domänenmitglied: Starker Sitzungsschlüssel erforder-\nlich (Windows 2000 oder höher)";
  if (RequireSecuritySignatureWs != "1") val = val + '\n\n' + "Microsoft-Netzwerk (Server): Kommunikation digital\nsignieren (immer)";
  if (EnablePlainTextPassword != "0") val = val + '\n\n' + "Microsoft-Netzwerk (Client): Unverschlüsseltes\nKennwort an SMB-Server von Drittanbietern senden";
  if (RequireSecuritySignatureSvr != "1") val = val + '\n\n' + "Microsoft-Netzwerk (Client): Kommunikation digital\nsignieren (immer)";
  if (EnableSecuritySignatureSvr != "1") val = val + '\n\n' + "Microsoft-Netzwerk (Server): Kommunikation digital\nsignieren (wenn Client zustimmt)";
  if (NoLMHash != "1") val = val + '\n\n' + "Netzwerksicherheit: Keine LAN Manager-Hashwerte für\nnächste Kennwortänderung speichern";
  if (lmcomplevel != "5") val = val + '\n\n' + "Netzwerksicherheit: LAN Manager-Authentifizierungs-\nebene";
  if (LDAPClientIntegrity != "1") val = val + '\n\n' + "Netzwerksicherheit: Signaturanforderungen für LDAP-\nClients";
  if (NTLMMinClientSec != "537395248") val = val + '\n\n' + "Netzwerksicherheit: Minimale Sitzungssicherheit für\nNTLM-SSP-basierte Clients (einschließlich sicherer\nRPC-Clients)";

  desc = string("Die Sicherheitseinstellung stimmen nicht mit der\nMaßnahme M4.277 Überein. Folgende Einstellungen sind\nnicht wie im Dokument 'Windows Server 2003 Security\nBaseline Settings' gefordert umgesetzt: " + val);
}

set_kb_item(name:"GSHB/M4_277/result", value:result);
set_kb_item(name:"GSHB/M4_277/desc", value:desc);
set_kb_item(name:"GSHB/M4_277/name", value:name);


silence = get_kb_item("GSHB/silence");
if (!silence) itg_send_details (itg_id: 'GSHB/M4_277');

exit(0);

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

23 Nov 2017 00:00Current
0.1Low risk
Vulners AI Score0.1
12