KB5008223: Windows Server 2022 Security Update (December 2021)

critical Nessus Plugin ID 156066

Synopsis

The Windows Server 2022 installation on the remote host is affected by multiple vulnerabilities.

Description

The Windows Server 2022 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 KB5008223 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5008223

Plugin Details

Severity: Critical

ID: 156066

File Name: smb_nt_ms21_dec_5008223.nasl

Version: 1.8

Type: local

Agent: windows

Published: 12/14/2021

Updated: 6/17/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

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: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows_server_2022

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-2021-43216, 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-2021-43237, CVE-2021-43238, CVE-2021-43239, CVE-2021-43240, CVE-2021-43244, CVE-2021-43246, CVE-2021-43247, CVE-2021-43248, CVE-2021-43883, CVE-2021-43893

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

MSFT: MS21-5008223

MSKB: 5008223