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AUSCERT Security Bulletin
ASB-2023.0055
Microsoft Patch Tuesday update for Microsoft Office, Office
Services and Web Apps for March 2023
15 March 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Excel 2013 RT Service Pack 1
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Excel 2016 (32-bit edition)
Microsoft Excel 2016 (64-bit edition)
Microsoft Office 2013 RT Service Pack 1
Microsoft Office 2013 Service Pack 1 (32-bit editions)
Microsoft Office 2013 Service Pack 1 (64-bit editions)
Microsoft Office 2016 (32-bit edition)
Microsoft Office 2016 (64-bit edition)
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office 2019 for Mac
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC for Mac 2021
Microsoft Office Online Server
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Office for Android
Microsoft Office for Universal
Microsoft Outlook 2013 RT Service Pack 1
Microsoft Outlook 2013 Service Pack 1 (32-bit editions)
Microsoft Outlook 2013 Service Pack 1 (64-bit editions)
Microsoft Outlook 2016 (32-bit edition)
Microsoft Outlook 2016 (64-bit edition)
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition
OneDrive for Android
OneDrive for MacOS Installer
Operating System: Windows
Resolution: Patch/Upgrade
CVE Names: CVE-2023-24930 CVE-2023-24923 CVE-2023-24910
CVE-2023-24882 CVE-2023-23399 CVE-2023-23398
CVE-2023-23397 CVE-2023-23396 CVE-2023-23395
CVE-2023-23391
Comment: CVSS (Max): 9.8 CVE-2023-23397 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: Microsoft
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
OVERVIEW
Microsoft has released its monthly security patch update for the
month of March 2023.
This update resolves 10 vulnerabilities across the following
product(s): [1]
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Excel 2013 RT Service Pack 1
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Excel 2016 (32-bit edition)
Microsoft Excel 2016 (64-bit edition)
Microsoft Office 2013 RT Service Pack 1
Microsoft Office 2013 Service Pack 1 (32-bit editions)
Microsoft Office 2013 Service Pack 1 (64-bit editions)
Microsoft Office 2016 (32-bit edition)
Microsoft Office 2016 (64-bit edition)
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office 2019 for Mac
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC for Mac 2021
Microsoft Office Online Server
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Office for Android
Microsoft Office for Universal
Microsoft Outlook 2013 RT Service Pack 1
Microsoft Outlook 2013 Service Pack 1 (32-bit editions)
Microsoft Outlook 2013 Service Pack 1 (64-bit editions)
Microsoft Outlook 2016 (32-bit edition)
Microsoft Outlook 2016 (64-bit edition)
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition
OneDrive for Android
OneDrive for MacOS Installer
IMPACT
Microsoft has given the following details regarding these vulnerabilities.
Details Impact Severity
CVE-2023-23391 Spoofing Important
CVE-2023-23395 Spoofing Important
CVE-2023-23396 Denial of Service Important
CVE-2023-23397 Elevation of Privilege Critical
CVE-2023-23398 Spoofing Important
CVE-2023-23399 Remote Code Execution Important
CVE-2023-24882 Information Disclosure Important
CVE-2023-24910 Elevation of Privilege Important
CVE-2023-24923 Information Disclosure Important
CVE-2023-24930 Elevation of Privilege Important
MITIGATION
Microsoft recommends updating the software with the version made
available on the Microsoft Update Catalogue for the following
Knowledge Base articles. [1].
KB5002168, KB5002197, KB5002198, KB5002254, KB5002265
KB5002348, KB5002351, KB5002355, KB5002356, KB5002358
KB5002362, KB5002366, KB5002367, KB5002368
REFERENCES
[1] Microsoft Security Update Guidance
https://portal.msrc.microsoft.com/en-us/security-guidance
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
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Internet Email: auscert@auscert.org.au
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On call after hours for member emergencies only.
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