Security Updates for Microsoft Office Products (January 2020)

high Nessus Plugin ID 132869
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The Microsoft Office Products are affected by multiple vulnerabilities.

Description

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

- A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

Solution

Microsoft has released the following security updates to address this issue:
-KB4484221
-KB4484227
-KB4484236 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?1611bdcd

http://www.nessus.org/u?d8161b35

http://www.nessus.org/u?ff8ceaff

Plugin Details

Severity: High

ID: 132869

File Name: smb_nt_ms20_jan_office.nasl

Version: 1.7

Type: local

Agent: windows

Published: 1/14/2020

Updated: 12/11/2020

Dependencies: office_installed.nasl, smb_hotfixes.nasl, ms_bulletin_checks_possible.nasl

Risk Information

CVSS Score Source: CVE-2020-0652

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

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

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:office

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 1/14/2020

Vulnerability Publication Date: 1/14/2020

Reference Information

CVE: CVE-2020-0652

MSKB: 4484221, 4484227, 4484236

MSFT: MS20-4484221, MS20-4484227, MS20-4484236

IAVA: 2020-A-0029-S