CVSS3
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
Confidence
High
EPSS
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
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
Confidence
High
EPSS
Percentile
91.0%