KB5000809: Windows 10 Version 1803 March 2021 Security Update

high Nessus Plugin ID 147224

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5000809.
It is, therefore, affected by multiple vulnerabilities :

- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-24107, CVE-2021-26869, CVE-2021-26884)

- An memory corruption vulnerability exists. An attacker can exploit this to corrupt the memory and cause unexpected behaviors within the system/application.
(CVE-2021-26411)

- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2021-26879, CVE-2021-26886)

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-1640, CVE-2021-1729, CVE-2021-24095, CVE-2021-26862, CVE-2021-26863, CVE-2021-26866, CVE-2021-26868, CVE-2021-26870, CVE-2021-26871, CVE-2021-26872, CVE-2021-26873, CVE-2021-26875, CVE-2021-26878, CVE-2021-26880, CVE-2021-26882, CVE-2021-26885, CVE-2021-26889, CVE-2021-26898, CVE-2021-26899, CVE-2021-26901, CVE-2021-27077)

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-26861, CVE-2021-26876, CVE-2021-26881, CVE-2021-27085)

- A security feature bypass vulnerability exists. An attacker can exploit this and bypass the security feature and perform unauthorized actions compromising the integrity of the system/application.
(CVE-2021-26892)

Solution

Apply Cumulative Update KB5000809.

See Also

http://www.nessus.org/u?4ef7d4b2

Plugin Details

Severity: High

ID: 147224

File Name: smb_nt_ms21_mar_5000809.nasl

Version: 1.14

Type: local

Agent: windows

Published: 3/9/2021

Updated: 8/22/2022

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.8

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C

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

CVSS Score Source: CVE-2021-27085

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

CVSS Score Source: CVE-2021-26881

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: 3/8/2021

Vulnerability Publication Date: 3/8/2021

CISA Known Exploited Dates: 11/17/2021

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2021-1640, CVE-2021-1729, CVE-2021-24095, CVE-2021-24107, CVE-2021-26411, CVE-2021-26861, CVE-2021-26862, CVE-2021-26863, CVE-2021-26866, CVE-2021-26868, CVE-2021-26869, CVE-2021-26870, CVE-2021-26871, CVE-2021-26872, CVE-2021-26873, CVE-2021-26875, CVE-2021-26876, CVE-2021-26878, CVE-2021-26879, CVE-2021-26880, CVE-2021-26881, CVE-2021-26882, CVE-2021-26884, CVE-2021-26885, CVE-2021-26886, CVE-2021-26889, CVE-2021-26892, CVE-2021-26898, CVE-2021-26899, CVE-2021-26901, CVE-2021-27077, CVE-2021-27085

MSKB: 5000809

MSFT: MS21-5000809

IAVA: 2021-A-0131, 2021-A-0129-S, 2021-A-0130-S, 2021-A-0134-S