KB5008218: Windows 10 version 1809 / Windows Server 2019 Security Update (December 2021)

critical Nessus Plugin ID 156071

Synopsis

The Windows 10 1809 / Windows Server 2019 installation on the remote host is affected by multiple vulnerabilities.

Description

The Windows 10 1809 / Windows Server 2019 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-41333, CVE-2021-43207, CVE-2021-43223, CVE-2021-43226, CVE-2021-43229, CVE-2021-43230, CVE-2021-43231, CVE-2021-43237, CVE-2021-43238, CVE-2021-43239, CVE-2021-43240, CVE-2021-43247, CVE-2021-43248, CVE-2021-43880, CVE-2021-43883, CVE-2021-43893)

- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-43216, CVE-2021-43222, CVE-2021-43224, CVE-2021-43227, CVE-2021-43235, CVE-2021-43236)

- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2021-43219, CVE-2021-43228)

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-43217, CVE-2021-43232, CVE-2021-43233, CVE-2021-43234)

Solution

Microsoft has released KB5008218 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5008218

Plugin Details

Severity: Critical

ID: 156071

File Name: smb_nt_ms21_dec_5008218.nasl

Version: 1.7

Type: local

Agent: windows

Published: 12/14/2021

Updated: 1/14/2022

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:H/RL:OF/RC:C

CVSS Score Source: CVE-2021-43217

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/14/2021

Vulnerability Publication Date: 12/14/2021

Reference Information

CVE: 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

MSKB: 5008218

MSFT: MS21-5008218

IAVA: 2021-A-0586-S, 2021-A-0582-S