Security Updates for Microsoft Word Products (October 2020)

high Nessus Plugin ID 141415

Synopsis

The Microsoft Word Products are missing a security update.

Description

The Microsoft Word Products are missing a security update.
It is, therefore, affected by the following vulnerability :

- A security feature bypass vulnerability exists in Microsoft Word software when it fails to properly handle .LNK files. An attacker who successfully exploited the vulnerability could use a specially crafted file to perform actions in the security context of the current user. For example, the file could then take actions on behalf of the logged-on user with the same permissions as the current user. (CVE-2020-16933)

Solution

Microsoft has released the following security updates to address this issue:
-KB4486703
-KB4486692
-KB4486701
-KB4486679

For Office 365, Office 2016 C2R, or Office 2019, ensure automatic updates are enabled or open any office app and manually perform an update.

See Also

http://www.nessus.org/u?c796608f

http://www.nessus.org/u?c4409704

http://www.nessus.org/u?8069ae47

Plugin Details

Severity: High

ID: 141415

File Name: smb_nt_ms20_oct_word.nasl

Version: 1.7

Type: local

Agent: windows

Published: 10/13/2020

Updated: 11/29/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2020-16933

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:word

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2020

Vulnerability Publication Date: 10/13/2020

Reference Information

CVE: CVE-2020-16933

MSFT: MS20-4486679, MS20-4486692, MS20-4486703

MSKB: 4486679, 4486692, 4486703