Kaspersky Threats

Detect date

?

02/09/2021

Severity

?

High

Description

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

Below is a complete list of vulnerabilities:

A remote code execution vulnerability in Microsoft SharePoint can be exploited remotely to execute arbitrary code.
A remote code execution vulnerability in Microsoft Excel 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 spoofing vulnerability in Skype for Business and Lync can be exploited remotely to spoof user interface.
A denial of service vulnerability in Skype for Business and Lync can be exploited remotely to cause denial of service.
An information disclosure vulnerability in Microsoft SharePoint can be exploited remotely to obtain sensitive information.
A spoofing vulnerability in Microsoft SharePoint can be exploited remotely to spoof user interface.
An information disclosure vulnerability in Microsoft Teams iOS can be exploited remotely to obtain sensitive information.

Affected products

Skype for Business Server 2019 CU2
Microsoft Excel 2010 Service Pack 2 (64-bit editions)
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Lync Server 2013
Microsoft SharePoint Server 2019
Microsoft Excel 2013 RT Service Pack 1
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft Excel 2016 (32-bit edition)
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft SharePoint Foundation 2010 Service Pack 2
Microsoft Office 2019 for 64-bit editions
Microsoft Office Online Server
Microsoft Teams for iOS
Microsoft Excel 2016 (64-bit edition)
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Office 2019 for 32-bit editions
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Skype for Business Server 2015 CU 8
Microsoft SharePoint Enterprise Server 2016
Microsoft Excel 2010 Service Pack 2 (32-bit editions)
Office Online Server
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Office 2019 for Mac

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-2021-24066
CVE-2021-24069
CVE-2021-24072
CVE-2021-24073
CVE-2021-24067
CVE-2021-24070
CVE-2021-24099
CVE-2021-24071
CVE-2021-1726
CVE-2021-24068
CVE-2021-24114

Impacts

?

ACE

[?]

OSI

[?]

DoS

[?]

SUI

[?]

Detect date ?	02/09/2021
Severity ?	High
Description	Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, spoof user interface, cause denial of service, obtain sensitive information. Below is a complete list of vulnerabilities: A remote code execution vulnerability in Microsoft SharePoint can be exploited remotely to execute arbitrary code. A remote code execution vulnerability in Microsoft Excel 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 spoofing vulnerability in Skype for Business and Lync can be exploited remotely to spoof user interface. A denial of service vulnerability in Skype for Business and Lync can be exploited remotely to cause denial of service. An information disclosure vulnerability in Microsoft SharePoint can be exploited remotely to obtain sensitive information. A spoofing vulnerability in Microsoft SharePoint can be exploited remotely to spoof user interface. An information disclosure vulnerability in Microsoft Teams iOS can be exploited remotely to obtain sensitive information.
Affected products	Skype for Business Server 2019 CU2 Microsoft Excel 2010 Service Pack 2 (64-bit editions) Microsoft Excel 2013 Service Pack 1 (64-bit editions) Microsoft Lync Server 2013 Microsoft SharePoint Server 2019 Microsoft Excel 2013 RT Service Pack 1 Microsoft SharePoint Foundation 2013 Service Pack 1 Microsoft Excel 2016 (32-bit edition) Microsoft 365 Apps for Enterprise for 32-bit Systems Microsoft SharePoint Foundation 2010 Service Pack 2 Microsoft Office 2019 for 64-bit editions Microsoft Office Online Server Microsoft Teams for iOS Microsoft Excel 2016 (64-bit edition) Microsoft Office Web Apps Server 2013 Service Pack 1 Microsoft Office 2019 for 32-bit editions Microsoft Excel 2013 Service Pack 1 (32-bit editions) Skype for Business Server 2015 CU 8 Microsoft SharePoint Enterprise Server 2016 Microsoft Excel 2010 Service Pack 2 (32-bit editions) Office Online Server Microsoft 365 Apps for Enterprise for 64-bit Systems Microsoft Office 2019 for Mac
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-2021-24066 CVE-2021-24069 CVE-2021-24072 CVE-2021-24073 CVE-2021-24067 CVE-2021-24070 CVE-2021-24099 CVE-2021-24071 CVE-2021-1726 CVE-2021-24068 CVE-2021-24114
Impacts ?	ACE [?] OSI [?] DoS [?] SUI [?]
Related products	Microsoft Lync Microsoft Office Microsoft Excel Microsoft Lync Server
CVE-IDS ?	CVE-2021-240666.5High CVE-2021-240696.8High CVE-2021-240726.5High CVE-2021-240735.8High CVE-2021-240676.8High CVE-2021-240706.8High CVE-2021-240994.0Warning CVE-2021-240714.0Warning CVE-2021-17266.0High CVE-2021-240686.8High CVE-2021-241143.5Warning
KB list	5000675 4493204 4493210 5000688 4493222 4493194 4493195 4493211 4493192 4493196 4493223
Microsoft official advisories	Microsoft Security Update Guide
	Find out the statistics of the vulnerabilities spreading in your region

KLA12069Multiple vulnerabilities in Microsoft Office

KLA12069
Multiple vulnerabilities in Microsoft Office