Kaspersky Threats

Detect date

?

05/09/2023

Severity

?

Critical

Description

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, obtain sensitive information, spoof user interface, bypass security restrictions.

Below is a complete list of vulnerabilities:

A remote code execution vulnerability in Microsoft Office can be exploited remotely to execute arbitrary code.
A remote code execution vulnerability in Microsoft SharePoint Server can be exploited remotely to execute arbitrary code.
A denial of service vulnerability in Microsoft Access can be exploited remotely to cause denial of service.
An information disclosure vulnerability in Microsoft Teams can be exploited remotely to obtain sensitive information.
A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code.
A spoofing vulnerability in Microsoft SharePoint Server can be exploited remotely to spoof user interface.
An information disclosure vulnerability in Microsoft SharePoint Server can be exploited remotely to obtain sensitive information.
A security feature bypass vulnerability in Microsoft Word can be exploited remotely to bypass security restrictions.

Affected products

Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Excel 2016 (64-bit edition)
Microsoft Office Online Server
Microsoft Teams
Microsoft Word 2013 Service Pack 1 (64-bit editions)
Microsoft Office 2019 for 64-bit editions
Microsoft Word 2016 (64-bit edition)
Microsoft Office LTSC for Mac 2021
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft Word 2013 RT Service Pack 1
Microsoft Excel 2013 RT Service Pack 1
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office 2019 for Mac
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft SharePoint Server Subscription Edition
Microsoft Excel 2016 (32-bit edition)
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Microsoft Office 2019 for 32-bit editions
Microsoft Word 2016 (32-bit edition)
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Word 2013 Service Pack 1 (32-bit editions)

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories

CVE-2023-29344
CVE-2023-24955
CVE-2023-29333
CVE-2023-24881
CVE-2023-24953
CVE-2023-24950
CVE-2023-24954
CVE-2023-29335

Impacts

?

ACE

[?]

OSI

[?]

DoS

[?]

SB

[?]

SUI

[?]

Detect date ?	05/09/2023
Severity ?	Critical
Description	Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, obtain sensitive information, spoof user interface, bypass security restrictions. Below is a complete list of vulnerabilities: A remote code execution vulnerability in Microsoft Office can be exploited remotely to execute arbitrary code. A remote code execution vulnerability in Microsoft SharePoint Server can be exploited remotely to execute arbitrary code. A denial of service vulnerability in Microsoft Access can be exploited remotely to cause denial of service. An information disclosure vulnerability in Microsoft Teams can be exploited remotely to obtain sensitive information. A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code. A spoofing vulnerability in Microsoft SharePoint Server can be exploited remotely to spoof user interface. An information disclosure vulnerability in Microsoft SharePoint Server can be exploited remotely to obtain sensitive information. A security feature bypass vulnerability in Microsoft Word can be exploited remotely to bypass security restrictions.
Affected products	Microsoft Excel 2013 Service Pack 1 (64-bit editions) Microsoft Excel 2016 (64-bit edition) Microsoft Office Online Server Microsoft Teams Microsoft Word 2013 Service Pack 1 (64-bit editions) Microsoft Office 2019 for 64-bit editions Microsoft Word 2016 (64-bit edition) Microsoft Office LTSC for Mac 2021 Microsoft 365 Apps for Enterprise for 32-bit Systems Microsoft Word 2013 RT Service Pack 1 Microsoft Excel 2013 RT Service Pack 1 Microsoft Office LTSC 2021 for 64-bit editions Microsoft Office 2019 for Mac Microsoft Office LTSC 2021 for 32-bit editions Microsoft SharePoint Server Subscription Edition Microsoft Excel 2016 (32-bit edition) Microsoft Excel 2013 Service Pack 1 (32-bit editions) Microsoft Office 2019 for 32-bit editions Microsoft Word 2016 (32-bit edition) Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Server 2019 Microsoft 365 Apps for Enterprise for 64-bit Systems Microsoft Word 2013 Service Pack 1 (32-bit editions)
Solution	Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)
Original advisories	CVE-2023-29344 CVE-2023-24955 CVE-2023-29333 CVE-2023-24881 CVE-2023-24953 CVE-2023-24950 CVE-2023-24954 CVE-2023-29335
Impacts ?	ACE [?] OSI [?] DoS [?] SB [?] SUI [?]
Related products	Microsoft Office Microsoft Excel Microsoft Word Microsoft SharePoint
CVE-IDS ?	CVE-2023-249555.0Critical CVE-2023-293335.0Critical CVE-2023-249535.0Critical CVE-2023-249505.0Critical CVE-2023-249545.0Critical CVE-2023-293355.0Critical
KB list	5002372 5002369 5002397 5002386 5002365 5002389 5002390 5002384
	Find out the statistics of the vulnerabilities spreading in your region

KLA49155Multiple vulnerabilities in Microsoft Office

KLA49155
Multiple vulnerabilities in Microsoft Office