Microsoft Windows: MS Security Guide: Configure SMB v1 client driver

##############################################################################
# OpenVAS Vulnerability Test
# $Id: win_sg_smbv1_client_driver.nasl 11337 2018-09-11 14:23:53Z emoss $
#
# Check value for Configure SMB v1 client driver
#
# Authors:
# Emanuel Moss <[email protected]>
#
# Copyright:
# Copyright (c) 2018 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("1.3.6.1.4.1.25623.1.0.109305");
  script_version("$Revision: 11337 $");
  script_tag(name:"last_modification", value:"$Date: 2018-09-11 16:23:53 +0200 (Tue, 11 Sep 2018) $");
  script_tag(name:"creation_date", value:"2018-06-15 11:21:02 +0200 (Fri, 15 Jun 2018)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:S/C:N/I:N/A:N");
  script_tag(name:"qod", value:"97");
  script_name('Microsoft Windows: MS Security Guide: Configure SMB v1 client driver');
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (c) 2018 Greenbone Networks GmbH");
  script_family("Policy");
  script_dependencies("smb_reg_service_pack.nasl");
  script_add_preference(name:"Value", type:"radio", value:"4;2;3");
  script_mandatory_keys("Compliance/Launch");
  script_tag(name:"summary", value:"This test checks the setting for policy
'Configure SMB v1 client driver' on Windows hosts (at least Windows 7).

The setting controls the SMB v1 client driver's start type.
To disable client-side processing of the SMBv1 protocol, select 'Enabled', then
select 'Disable driver' from the dropdown.
WARNING: DO NOT SELECT THE 'DISABLED' RADIO BUTTON UNDER ANY CIRCUMSTANCES! ");
  exit(0);
}

include("smb_nt.inc");
include("policy_functions.inc");

if(!get_kb_item("SMB/WindowsVersion")){
  policy_logging(text:'Host is no Microsoft Windows System or it is not possible
to query the registry.');
  exit(0);
}

if(get_kb_item("SMB/WindowsVersion") < "6.1"){
  policy_logging(text:'Host is not at least a Microsoft Windows 7 system.
Older versions of Microsoft Windows are not supported any more.
Please update the system.');
  exit(0);
}

title = 'Configure SMB v1 client driver';
fixtext = 'Set following UI path accordingly:
Computer Configuration/Administrative Templates/MS Security Guide' + title;
type = 'HKLM';
key = 'SYSTEM\\CurrentControlSet\\Services\\MrxSmb10';
item = 'Start';
default = script_get_preference('Value');
value = registry_get_dword(key:key, item:item, type:type);
if(value == ''){
  value = '0';
}

if(int(value) == int(default)){
  compliant = 'yes';
}else{
  compliant = 'no';
}

policy_logging(text:'"' + title + '" is set to: ' + value);
policy_add_oid();
policy_set_dval(dval:default);
policy_fixtext(fixtext:fixtext);
policy_control_name(title:title);
policy_set_kb(val:value);
policy_set_compliance(compliant:compliant);

exit(0);