Microsoft Windows Multiple Vulnerabilities (KB5003637)

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.818320");
  script_version("2025-11-14T15:41:06+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-2021-1675", "CVE-2021-26414", "CVE-2021-31199", "CVE-2021-31201",
                "CVE-2021-31951", "CVE-2021-31952", "CVE-2021-31954", "CVE-2021-31955",
                "CVE-2021-31956", "CVE-2021-31958", "CVE-2021-31959", "CVE-2021-31960",
                "CVE-2021-31962", "CVE-2021-31968", "CVE-2021-31969", "CVE-2021-31970",
                "CVE-2021-31971", "CVE-2021-31972", "CVE-2021-31973", "CVE-2021-31974",
                "CVE-2021-31975", "CVE-2021-31976", "CVE-2021-31977", "CVE-2021-33739",
                "CVE-2021-33742");
  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:"2025-11-14 15:41:06 +0000 (Fri, 14 Nov 2025)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-08-01 23:15:00 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2021-06-10 07:48:39 +0530 (Thu, 10 Jun 2021)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB5003637)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB5003637");

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

  script_tag(name:"insight", value:"Multiple flaws exist due to:

  - An error in Server for NFS.

  - An error in HTML Platform.

  - An error in Scripting Engine.

  Please see the references for more information about the vulnerabilities.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to perform remote code execution, gain access to potentially sensitive data,
  conduct DoS, bypass security features and elevate privileges.");

  script_tag(name:"affected", value:"- Microsoft Windows 10 Version 2004 for 32-bit Systems

  - Microsoft Windows 10 Version 2004 for x64-based Systems");

  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/topic/june-8-2021-kb5003637-os-builds-19041-1052-19042-1052-and-19043-1052-fd782405-7736-478e-b8d0-b08f735f7e54");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");
  exit(0);
}


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

if(hotfix_check_sp(win10:1, win10x64:1) <= 0){
  exit(0);
}

dllPath = smb_get_system32root();
if(!dllPath ){
  exit(0);
}

fileVer = fetch_file_version(sysPath:dllPath, file_name:"mshtml.dll");
if(!fileVer){
  exit(0);
}

if(version_in_range(version:fileVer, test_version:"11.0.19041.0", test_version2:"11.0.19041.1051"))
{
  report = report_fixed_ver(file_checked:dllPath + "\mshtml.dll",
                            file_version:fileVer, vulnerable_range:"11.0.19041.0 - 11.0.19041.1051");
  security_message(data:report);
  exit(0);
}
exit(99);