7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.093 Low
EPSS
Percentile
94.7%
This host is missing a critical security
update according to Microsoft KB5008218
# Copyright (C) 2021 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("1.3.6.1.4.1.25623.1.0.818925");
script_version("2023-10-20T16:09:12+0000");
script_cve_id("CVE-2021-41333", "CVE-2021-43207", "CVE-2021-43215", "CVE-2021-43216",
"CVE-2021-43217", "CVE-2021-43219", "CVE-2021-43222", "CVE-2021-43223",
"CVE-2021-43224", "CVE-2021-43226", "CVE-2021-43227", "CVE-2021-43228",
"CVE-2021-43229", "CVE-2021-43230", "CVE-2021-43231", "CVE-2021-43232",
"CVE-2021-43233", "CVE-2021-43234", "CVE-2021-43235", "CVE-2021-43236",
"CVE-2021-43238", "CVE-2021-43244", "CVE-2021-43246", "CVE-2021-43247",
"CVE-2021-43248", "CVE-2021-43883", "CVE-2021-43893");
script_tag(name:"cvss_base", value:"7.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
script_tag(name:"last_modification", value:"2023-10-20 16:09:12 +0000 (Fri, 20 Oct 2023)");
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:"2021-12-22 15:14:00 +0000 (Wed, 22 Dec 2021)");
script_tag(name:"creation_date", value:"2021-12-15 15:57:04 +0530 (Wed, 15 Dec 2021)");
script_name("Microsoft Windows Multiple Vulnerabilities (KB5008218)");
script_tag(name:"summary", value:"This host is missing a critical security
update according to Microsoft KB5008218");
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 Encrypting File System (EFS).
- An RCE vulnerability in Windows Encrypting File System (EFS).
- A memory corruption vulnerability in iSNS Server.
For more information about the vulnerabilities refer to Reference links.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
to elevate privileges, disclose sensitive information and conduct
remote code execution.");
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/5008218");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 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:"10.0.17763.2365"))
{
report = report_fixed_ver(file_checked:dllPath + "\Ntoskrnl.exe",
file_version:fileVer, vulnerable_range:"10.0.17763.0 - 10.0.17763.2365");
security_message(data:report);
exit(0);
}
exit(99);
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.093 Low
EPSS
Percentile
94.7%