KLA12220
Multiple vulnerabilities in Microsoft Office

Обновлено: 27/07/2021
Дата обнаружения
13/07/2021
Уровень угрозы
High
Описание

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

Below is a complete list of vulnerabilities:

  1. A remote code execution vulnerability in Microsoft Word can be exploited remotely to execute arbitrary code.
  2. A remote code execution vulnerability in Microsoft SharePoint Server can be exploited remotely to execute arbitrary code.
  3. A spoofing vulnerability in Microsoft Office Online Server can be exploited remotely to spoof user interface.
  4. A security feature bypass vulnerability in Microsoft Office can be exploited remotely to bypass security restrictions.
  5. A spoofing vulnerability in Microsoft SharePoint Server can be exploited remotely to spoof user interface.
  6. An information disclosure vulnerability in Microsoft SharePoint Server can be exploited remotely to obtain sensitive information.
  7. A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code.
Пораженные продукты

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

Решение

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

Первичный источник обнаружения
CVE-2021-34452
CVE-2021-34520
CVE-2021-34451
CVE-2021-34467
CVE-2021-34469
CVE-2021-34517
CVE-2021-34468
CVE-2021-34519
CVE-2021-34518
CVE-2021-34501
Оказываемое влияние
?
ACE 
[?]

OSI 
[?]

SB 
[?]

SUI 
[?]
Связанные продукты
Microsoft Office
Microsoft Excel
Microsoft Word
CVE-IDS
KB list

5001949
5001981
5001993
5001973
5001983
5001996
5001977
5001992
5001984
5001979
5001975
5001976
5001986

Microsoft official advisories
Microsoft Security Update Guide
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