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HistoryDec 14, 2022 - 12:00 a.m.

Microsoft Windows Multiple Vulnerabilities (KB5021237)

2022-12-1400:00:00
Copyright (C) 2022 Greenbone Networks GmbH
plugins.openvas.org
13
microsoft windows
kb5021237
security update
elevation of privilege
windows hyper-v
windows fax compose form
windows error reporting
attacker
security restrictions
dos attacks
microsoft windows 10
microsoft windows server 2019

CVSS3

8.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

AI Score

7.2

Confidence

High

EPSS

0.029

Percentile

91.0%

This host is missing an important security
update according to Microsoft KB5021237

# Copyright (C) 2022 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.826809");
  script_version("2023-10-19T05:05:21+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-2022-41074", "CVE-2022-41077", "CVE-2022-41121", "CVE-2022-44666",
                "CVE-2022-44667", "CVE-2022-44668", "CVE-2022-44669", "CVE-2022-44670",
                "CVE-2022-44671", "CVE-2022-44673", "CVE-2022-44674", "CVE-2022-44675",
                "CVE-2022-44676", "CVE-2022-44677", "CVE-2022-44678", "CVE-2022-44679",
                "CVE-2022-44680", "CVE-2022-44681", "CVE-2022-44682", "CVE-2022-44683",
                "CVE-2022-44689", "CVE-2022-44697", "CVE-2022-44698", "CVE-2022-44707",
                "CVE-2022-41076", "CVE-2022-41094");
  script_tag(name:"cvss_base", value:"7.1");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:S/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2023-10-19 05:05:21 +0000 (Thu, 19 Oct 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-12-13 19:25:00 +0000 (Tue, 13 Dec 2022)");
  script_tag(name:"creation_date", value:"2022-12-14 10:01:03 +0530 (Wed, 14 Dec 2022)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB5021237)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB5021237");

  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 elevation of privilege vulnerability in Windows Hyper-V.

  - An elevation of privilege vulnerability in Windows Fax Compose Form.

  - An elevation of privilege vulnerability in Windows Error Reporting.

  For more information about the vulnerabilities refer to Reference links.");

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

  script_tag(name:"affected", value:"- Microsoft Windows 10 Version 1809 for 32-bit Systems

  - Microsoft Windows 10 Version 1809 for x64-based Systems

  - Microsoft Windows Server 2019");

  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/5021237");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 Greenbone Networks GmbH");
  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, win2019:1) <= 0){
  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(version_in_range(version:fileVer, test_version:"10.0.17763.0", test_version2:"10.0.17763.3769"))
{
  report = report_fixed_ver(file_checked:dllPath + "\Ntoskrnl.exe",
                            file_version:fileVer, vulnerable_range:"10.0.17763.0 - 10.0.17763.3769");
  security_message(data:report);
  exit(0);
}
exit(99);

CVSS3

8.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

AI Score

7.2

Confidence

High

EPSS

0.029

Percentile

91.0%