Microsoft Office: Protect document metadata for rights managed Office Open XML Files

2018-04-17T00:00:00
ID OPENVAS:1361412562310109069
Type openvas
Reporter Copyright (c) 2018 Greenbone Networks GmbH
Modified 2018-10-11T00:00:00

Description

This test checks the setting for policy

                                        
                                            ##############################################################################
# OpenVAS Vulnerability Test
# $Id: office2013_protect_rights_managed_files_metadata.nasl 11843 2018-10-11 14:33:21Z emoss $
#
# Check value for Protect document metadata for rights managed Office Open
# XML Files
#
# Authors:
# Emanuel Moss <emanuel.moss@greenbone.net>
#
# 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("1.3.6.1.4.1.25623.1.0.109069");
  script_version("$Revision: 11843 $");
  script_tag(name:"last_modification", value:"$Date: 2018-10-11 16:33:21 +0200 (Thu, 11 Oct 2018) $");
  script_tag(name:"creation_date", value:"2018-04-17 09:42:28 +0200 (Tue, 17 Apr 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 Office: Protect document metadata for rights managed Office Open XML Files');
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (c) 2018 Greenbone Networks GmbH");
  script_family("Policy");
  script_dependencies("secpod_ms_office_detection_900025.nasl", "os_detection.nasl");
  script_add_preference(name:"Value", type:"radio", value:"1;0");
  script_mandatory_keys("Compliance/Launch", "Host/runs_windows", "MS/Office/Ver");
  script_tag(name:"summary", value:"This test checks the setting for policy 'Protect document
metadata for rights managed Office Open XML Files' for Microsoft Office 2013 (at least) on Windows
hosts.

The setting determines whether metadata is encrypted in Office Open XML files that are protected by
Information Rights Management (IRM).");
  exit(0);
}

include("smb_nt.inc");
include("policy_functions.inc");
include("host_details.inc");
include("secpod_smb_func.inc");
include("version_func.inc");

cpe = get_app_version(cpe:"cpe:/a:microsoft:office");
if(!cpe){
	policy_logging(text:'Not found any Microsoft Office installation.');
	exit(0);
}
office_year = substr(cpe,0,3);

full_version = get_kb_item("MS/Office/Ver");
if(version_is_less(version:full_version, test_version:'15')){
	policy_logging(text:'Not found at least Microsoft Office 2013 installation.');
	exit(0);
}
major_version = substr(full_version,0,3);

title = 'Protect document metadata for rights managed Office Open XML Files';
fixtext = 'Set following UI path accordingly:
User Configuration/Administrative Templates/Microsoft Office ' + office_year + '/Security Settings/' + title;
type = 'HKU';
key_root = 'Software\\Policies\\Microsoft\\Office\\' + major_version + '\\common\\security';
item = 'drmencryptproperty';
default = script_get_preference('Value');
v = make_array();

uids = registry_enum_keys(key:'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\ProfileList', type:'HKLM');
foreach uid (uids){
  if(uid =~ "S-1-5-21-"){
    if(registry_key_exists(key:uid, type:'HKU')){
      key = uid + '\\' + key_root;
      value = registry_get_dword(key:key, item:item, type:type);
      if(!value){
        value = '0';
      }
      v = uid + ': ' + value + '\n';
      policy_set_kb_hcu(id:uid, val:value);
      if(value != default){
        compliant = 'no';
      }
    }
  }
}

if(!compliant){
  compliant = 'yes';
}

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

exit(0);