KB5008271: Windows Server 2008 Security Update (December 2021)

critical Nessus Plugin ID 156067

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5008271 or cumulative update 5008274. 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-2021-43226, CVE-2021-43229, CVE-2021-43230, CVE-2021-43238, 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-2021-43236)

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-43215, CVE-2021-43217, CVE-2021-43234)

Solution

Apply Security Only update KB5008271 or Cumulative Update KB5008274.

See Also

https://support.microsoft.com/en-us/help/5008271

Plugin Details

Severity: Critical

ID: 156067

File Name: smb_nt_ms21_dec_5008271.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-2021-43222, CVE-2021-43224, CVE-2021-43226, CVE-2021-43229, CVE-2021-43230, CVE-2021-43234, CVE-2021-43236, CVE-2021-43238, CVE-2021-43883, CVE-2021-43893

MSKB: 5008271, 5008274

MSFT: MS21-5008271, MS21-5008274

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