Microsoft Office 2013 Service Pack 1 Remote Code Execution Vulnerability (KB3162047)

# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.812083");
  script_version("2023-07-14T16:09:27+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2017-11882");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2023-07-14 16:09:27 +0000 (Fri, 14 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-03-16 17:21:00 +0000 (Tue, 16 Mar 2021)");
  script_tag(name:"creation_date", value:"2017-11-15 07:01:17 +0530 (Wed, 15 Nov 2017)");
  script_name("Microsoft Office 2013 Service Pack 1 Remote Code Execution Vulnerability (KB3162047)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB3162047");

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

  script_tag(name:"insight", value:"The flaw exists because Microsoft Office fails to properly handle objects in memory.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  who successfully exploited the vulnerability to run arbitrary code in the context
  of the current user.");

  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/3162047");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/101757");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 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");

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

msPath = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion",
                            item:"CommonFilesDir");
if(msPath)
{
  offPath = msPath + "\Microsoft Shared\EQUATION" ;
  msdllVer = fetch_file_version(sysPath:offPath, file_name:"eqnedt32.exe");
  if(!msdllVer){
    exit(0);
  }

  if(version_is_less(version:msdllVer, test_version:"2017.8.14.0"))
  {
    report = report_fixed_ver( file_checked:offPath + "\eqnedt32.exe",
                               file_version:msdllVer, vulnerable_range:"Less than 2017.8.14.0");
    security_message(data:report);
    exit(0);
  }
}
exit(0);