Microsoft Windows Multiple Vulnerabilities (KB4540693)

# SPDX-FileCopyrightText: 2020 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("1.3.6.1.4.1.25623.1.0.815792");
  script_version("2024-06-26T05:05:39+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-2020-0645", "CVE-2020-0684", "CVE-2020-0690", "CVE-2020-0768",
                "CVE-2020-0769", "CVE-2020-0770", "CVE-2020-0771", "CVE-2020-0772",
                "CVE-2020-0773", "CVE-2020-0774", "CVE-2020-0775", "CVE-2020-0777",
                "CVE-2020-0778", "CVE-2020-0779", "CVE-2020-0780", "CVE-2020-0781",
                "CVE-2020-0783", "CVE-2020-0785", "CVE-2020-0786", "CVE-2020-0787",
                "CVE-2020-0788", "CVE-2020-0791", "CVE-2020-0793", "CVE-2020-0797",
                "CVE-2020-0799", "CVE-2020-0800", "CVE-2020-0801", "CVE-2020-0802",
                "CVE-2020-0803", "CVE-2020-0804", "CVE-2020-0806", "CVE-2020-0809",
                "CVE-2020-0810", "CVE-2020-0814", "CVE-2020-0819", "CVE-2020-0820",
                "CVE-2020-0822", "CVE-2020-0823", "CVE-2020-0824", "CVE-2020-0826",
                "CVE-2020-0827", "CVE-2020-0828", "CVE-2020-0829", "CVE-2020-0830",
                "CVE-2020-0831", "CVE-2020-0832", "CVE-2020-0833", "CVE-2020-0834",
                "CVE-2020-0840", "CVE-2020-0841", "CVE-2020-0842", "CVE-2020-0843",
                "CVE-2020-0844", "CVE-2020-0845", "CVE-2020-0847", "CVE-2020-0849",
                "CVE-2020-0853", "CVE-2020-0857", "CVE-2020-0858", "CVE-2020-0859",
                "CVE-2020-0860", "CVE-2020-0861", "CVE-2020-0864", "CVE-2020-0865",
                "CVE-2020-0866", "CVE-2020-0867", "CVE-2020-0868", "CVE-2020-0869",
                "CVE-2020-0871", "CVE-2020-0874", "CVE-2020-0877", "CVE-2020-0879",
                "CVE-2020-0880", "CVE-2020-0881", "CVE-2020-0882", "CVE-2020-0883",
                "CVE-2020-0885", "CVE-2020-0887", "CVE-2020-0896", "CVE-2020-0897");
  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:"2024-06-26 05:05:39 +0000 (Wed, 26 Jun 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/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:"2020-03-16 20:01:00 +0000 (Mon, 16 Mar 2020)");
  script_tag(name:"creation_date", value:"2020-03-11 10:19:43 +0530 (Wed, 11 Mar 2020)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB4540693)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB4540693");

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

  script_tag(name:"insight", value:"Multiple flaws exist if:

  - DirectX improperly handles objects in memory.

  - Windows Error Reporting improperly handles memory.

  - Windows GDI component improperly discloses the contents of its memory.

  - Windows Error Reporting improperly handles file operations.

  - Windows Graphics Component improperly handles objects in memory.

  - Windows Network Connections Service improperly handles objects in memory.

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

  script_tag(name:"impact", value:"Successful exploitation will allow an
  attacker to execute arbitrary code, elevate privileges, disclose sensitive
  information, conduct denial of service and tampering attacks.");

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

  - Microsoft Windows 10 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/4540693");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 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);
}

sysPath = smb_get_system32root();
if(!sysPath)
  exit(0);

dllVer = fetch_file_version(sysPath:sysPath, file_name:"User32.dll");
if(!dllVer)
  exit(0);

if(version_in_range(version:dllVer, test_version:"10.0.10240.0", test_version2:"10.0.10240.18518")) {
  report = report_fixed_ver(file_checked:sysPath + "\User32.dll",
                            file_version:dllVer, vulnerable_range:"10.0.10240.0 - 10.0.10240.18518");
  security_message(data:report);
  exit(0);
}

exit(99);