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Microsoft Windows Multiple Vulnerabilities (KB5030217)

🗓️ 13 Sep 2023 00:00:00Reported by Copyright (C) 2023 Greenbone AGType 
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This host is missing an important security update for Microsoft Windows 11 version 21H2 (KB5030217). It is affected by multiple vulnerabilities which can allow attackers to elevate privileges, execute arbitrary commands, bypass security features, disclose information, and conduct DoS attacks

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Code
# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.0.832174");
  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-2023-35355", "CVE-2023-36802", "CVE-2023-36803", "CVE-2023-36804",
                "CVE-2023-36805", "CVE-2023-38139", "CVE-2023-38140", "CVE-2023-38141",
                "CVE-2023-38142", "CVE-2023-38143", "CVE-2023-38144", "CVE-2023-38146",
                "CVE-2023-38147", "CVE-2023-38148", "CVE-2023-38149", "CVE-2023-38150",
                "CVE-2023-38160", "CVE-2023-38161");
  script_tag(name:"cvss_base", value:"8.3");
  script_tag(name:"cvss_base_vector", value:"AV:A/AC:L/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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-09-12 19:38:00 +0000 (Tue, 12 Sep 2023)");
  script_tag(name:"creation_date", value:"2023-09-13 11:24:42 +0530 (Wed, 13 Sep 2023)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB5030217)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB5030217");

  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:

  - Issues in the authentication. Using a smart card to join or rejoin
    a computer to an Active Directory domain might fail.

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

  script_tag(name:"impact", value:"Successful exploitation would allow an
  attacker to elevate privileges, execute arbitrary commands, bypass security
  feature, disclose information and conduct DoS attacks.");

  script_tag(name:"affected", value:"Microsoft Windows 11 version 21H2 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/help/5030217");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 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(win11:1) <= 0) {
  exit(0);
}

key = "SOFTWARE\Microsoft\Windows NT\CurrentVersion";
if(!registry_key_exists(key:key)) {
  exit(0);
}

build = registry_get_sz(key:key, item:"CurrentBuild");
if(!build) {
  exit(0);
}

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

fileVer = fetch_file_version(sysPath:dllPath, file_name:"\system32\user32.dll");
if(!fileVer) {
  exit(0);
}

if(version_is_less(version:fileVer, test_version:"10.0.22000.2360")) {
  report = report_fixed_ver(file_checked:dllPath + "\system32\user32.dll", file_version:fileVer, vulnerable_range:"Less than 10.0.22000.2360");

  security_message(port:0, data:report);
  exit(0);
}

exit(99);

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