Microsoft Windows Multiple Vulnerabilities (KB5015807)

# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.0.821272");
  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-2022-21845", "CVE-2022-22022", "CVE-2022-22023", "CVE-2022-22024",
                "CVE-2022-22025", "CVE-2022-22026", "CVE-2022-22027", "CVE-2022-22028",
                "CVE-2022-22029", "CVE-2022-22031", "CVE-2022-22034", "CVE-2022-22036",
                "CVE-2022-22037", "CVE-2022-22038", "CVE-2022-22039", "CVE-2022-22040",
                "CVE-2022-22041", "CVE-2022-22042", "CVE-2022-22043", "CVE-2022-22045",
                "CVE-2022-22047", "CVE-2022-22048", "CVE-2022-22049", "CVE-2022-22050",
                "CVE-2022-22711", "CVE-2022-27776", "CVE-2022-30202", "CVE-2022-30203",
                "CVE-2022-30205", "CVE-2022-30206", "CVE-2022-30208", "CVE-2022-30209",
                "CVE-2022-30211", "CVE-2022-30212", "CVE-2022-30213", "CVE-2022-30214",
                "CVE-2022-30215", "CVE-2022-30216", "CVE-2022-30220", "CVE-2022-30221",
                "CVE-2022-30222", "CVE-2022-30223", "CVE-2022-30224", "CVE-2022-30225",
                "CVE-2022-30226", "CVE-2022-33644");
  script_tag(name:"cvss_base", value:"8.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/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:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-07-20 12:03:00 +0000 (Wed, 20 Jul 2022)");
  script_tag(name:"creation_date", value:"2022-07-13 09:46:45 +0530 (Wed, 13 Jul 2022)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB5015807)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB5015807");

  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:

  - A security bypass vulnerability in BitLocker.

  - An insufficiently protected credentials vulnerability might leak
    authentication or cookie header data.

  - An elevation of privilege vulnerability in Windows CSRSS.

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

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to elevate privileges, execute arbitrary commands, disclose information,
  bypass security restrictions, conduct tampering and DoS attacks on an affected
  system.");

  script_tag(name:"affected", value:"- Microsoft Windows 10 Version 20H2 for 32-bit Systems

  - Microsoft Windows 10 Version 20H2 for x64-based Systems

  - Microsoft Windows 10 Version 21H1 for 32-bit Systems

  - Microsoft Windows 10 Version 21H1 for x64-based Systems

  - Microsoft Windows 10 Version 21H2 for 32-bit Systems

  - Microsoft Windows 10 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/5015807");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 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);
}

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);
}

if(!("19042" >< build || "19043" >< build || "19044" >< build)){
  exit(0);
}

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

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

if(fileVer =~ "^10\.0\.19041")
{
  if(version_in_range(version:fileVer, test_version:"10.0.19041.0", test_version2:"10.0.19041.1825"))
  {
    report = report_fixed_ver(file_checked:dllPath + "\Ntoskrnl.exe",
                              file_version:fileVer, vulnerable_range:"10.0.19041.0 - 10.0.19041.1825");
    security_message(data:report);
    exit(0);
  }
}
exit(99);