Microsoft Office 2013 Service Pack 1 Defense in Depth (KB4018387)

# SPDX-FileCopyrightText: 2018 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.813423");
  script_version("2023-07-20T05:05:17+0000");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"creation_date", value:"2018-06-13 09:16:14 +0530 (Wed, 13 Jun 2018)");
  script_name("Microsoft Office 2013 Service Pack 1 Defense in Depth (KB4018387)");

  script_tag(name:"summary", value:"This host is missing a defense-in-depth update
  according to Microsoft KB4018387");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"Microsoft has released an update for Microsoft
  Office that provides enhanced security as a defense in depth measure. This update
  improves the memory handling of Office applications that render Office Art.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to bypass defense-in-depth measures and exploit Office applications that render
  Office Art.");

  script_tag(name:"affected", value:"Microsoft Office 2013 Service Pack 1.");

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"executable_version");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4018387");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl");
  script_mandatory_keys("MS/Office/Ver");
  script_require_ports(139, 445);
  exit(0);
}

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

officeVer = get_kb_item("MS/Office/Ver");
if(!officeVer || officeVer !~ "^15\."){
  exit(0);
}

os_arch = get_kb_item("SMB/Windows/Arch");
if("x86" >< os_arch){
  key_list = make_list("SOFTWARE\Microsoft\Windows\CurrentVersion");
}
else if("x64" >< os_arch){
  key_list =  make_list("SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion",
                        "SOFTWARE\Microsoft\Windows\CurrentVersion");
}

foreach key(key_list)
{
  msPath = registry_get_sz(key:key, item:"ProgramFilesDir");
  if(msPath)
  {
    exePath = msPath + "\Microsoft Office\Office15";
    exeVer = fetch_file_version(sysPath:exePath, file_name:"oart.dll");
    if(!exeVer){
      continue ;
    }
    if(exeVer =~ "^15\." && version_is_less(version:exeVer, test_version:"15.0.5041.1000"))
    {
      report = report_fixed_ver(file_checked:exePath + "\oart.dll",
                                file_version:exeVer, vulnerable_range:"15.0 - 15.0.5041.0999");
      security_message(data:report);
      exit(0);
    }
  }
}
exit(0);