Detections
Analytics
Security Updates for Microsoft Office Products (August 2020)
high Nessus Plugin ID 139499
Language:
Synopsis
The Microsoft Office Products are affected by multiple vulnerabilities.Description
The Microsoft Office Products are missing security updates. It is, therefore, affected by multiple vulnerabilities :- A remote code execution vulnerability exists in Microsoft Excel 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. (CVE-2020-1494, CVE-2020-1495, CVE-2020-1496)
- An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the users computer or data. (CVE-2020-1497)
- An information disclosure vulnerability exists when Microsoft Word improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the users computer or data. (CVE-2020-1503, CVE-2020-1583)
- 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. (CVE-2020-1563)
- An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) components handle objects in memory. An attacker who successfully exploited the vulnerability could elevate privileges. The attacker would need to already have the ability to execute code on the system.
(CVE-2020-1581)
Solution
Microsoft has released the following security updates to address this issue:-KB4484346
-KB4484354
-KB4484359
-KB4484375
-KB4484379
-KB4484431
-KB4484492 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?c1185427
http://www.nessus.org/u?89246ae4
http://www.nessus.org/u?86785f90
http://www.nessus.org/u?f3f269b7
http://www.nessus.org/u?00e42db9
Plugin Details
Severity: High
ID: 139499
File Name: smb_nt_ms20_aug_office.nasl
Version: 1.12
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 8/11/2020
Updated: 2/26/2024
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 9.3
Temporal Score: 6.9
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2020-1581
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
CVSS Score Source: CVE-2020-1583
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: 8/11/2020
Vulnerability Publication Date: 8/11/2020
Reference Information
CVE: CVE-2020-1494, CVE-2020-1495, CVE-2020-1496, CVE-2020-1497, CVE-2020-1503, CVE-2020-1563, CVE-2020-1581, CVE-2020-1583