KB5000802: Windows Security Update (March 2021)

high Nessus Plugin ID 147226

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5000802.
It is, therefore, affected by multiple vulnerabilities :

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-1640, CVE-2021-1729, CVE-2021-24090, CVE-2021-24095, CVE-2021-26860, CVE-2021-26862, CVE-2021-26863, CVE-2021-26864, CVE-2021-26865, CVE-2021-26866, CVE-2021-26868, CVE-2021-26870, CVE-2021-26871, CVE-2021-26872, CVE-2021-26873, CVE-2021-26874, CVE-2021-26875, CVE-2021-26878, CVE-2021-26880, CVE-2021-26882, CVE-2021-26885, CVE-2021-26889, CVE-2021-26891, CVE-2021-26898, CVE-2021-26899, CVE-2021-26900, CVE-2021-26901, CVE-2021-27070, CVE-2021-27077)

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

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-26861, CVE-2021-26867, CVE-2021-26876, CVE-2021-26881, CVE-2021-26890, CVE-2021-27085)

- 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 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 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 KB5000802.

See Also

http://www.nessus.org/u?8437e591

Plugin Details

Severity: High

ID: 147226

File Name: smb_nt_ms21_mar_5000802.nasl

Version: 1.15

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: 9.3

Temporal Score: 8.1

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

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

CVSS Score Source: CVE-2021-27070

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-2021-24090, CVE-2021-24095, CVE-2021-24107, CVE-2021-26411, CVE-2021-26860, CVE-2021-26861, CVE-2021-26862, CVE-2021-26863, CVE-2021-26864, CVE-2021-26865, CVE-2021-26866, CVE-2021-26867, CVE-2021-26868, CVE-2021-26869, CVE-2021-26870, CVE-2021-26871, CVE-2021-26872, CVE-2021-26873, CVE-2021-26874, 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-2021-26890, CVE-2021-26891, CVE-2021-26892, CVE-2021-26898, CVE-2021-26899, CVE-2021-26900, CVE-2021-26901, CVE-2021-27070, CVE-2021-27077, CVE-2021-27085

MSKB: 5000802

MSFT: MS21-5000802

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