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AUSCERT Security Bulletin
ASB-2020.0101
Microsoft Patch Tuesday update for Microsoft Office,
Microsoft Office Services and Web Apps for May 2020
13 May 2020
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AusCERT Security Bulletin Summary
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Product: Microsoft Office, Microsoft Office Services and Web Apps
Operating System: Windows
Mac OS
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Cross-site Request Forgery -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-1107 CVE-2020-1106 CVE-2020-1105
CVE-2020-1104 CVE-2020-1103 CVE-2020-1102
CVE-2020-1101 CVE-2020-1100 CVE-2020-1099
CVE-2020-1069 CVE-2020-1024 CVE-2020-1023
CVE-2020-0901
Member content until: Friday, June 12 2020
OVERVIEW
Microsoft has released its monthly security patch update for the month of May 2020.
This update resolves 13 vulnerabilities across the following products: [1]
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Excel 2010 Service Pack 2 (32-bit editions)
Microsoft Excel 2010 Service Pack 2 (64-bit editions)
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 2016 for Mac
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office 2019 for Mac
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft SharePoint Server 2010 Service Pack 2
Microsoft SharePoint Server 2019
IMPACT
Microsoft has given the following details regarding these vulnerabilities.
Details Impact Severity
CVE-2020-0901 Remote Code Execution Important
CVE-2020-1023 Remote Code Execution Critical
CVE-2020-1024 Remote Code Execution Critical
CVE-2020-1069 Remote Code Execution Critical
CVE-2020-1099 Spoofing Important
CVE-2020-1100 Spoofing Important
CVE-2020-1101 Spoofing Important
CVE-2020-1102 Remote Code Execution Critical
CVE-2020-1103 Information Disclosure Important
CVE-2020-1104 Spoofing Important
CVE-2020-1105 Spoofing Important
CVE-2020-1106 Spoofing Important
CVE-2020-1107 Spoofing Important
MITIGATION
Microsoft recommends updating the software with the version made available on the Microsoft Update Catalogue for the following Knowledge Base articles. [1]
KB4484383, KB4484336, KB4484352, KB4484384, KB4484365
KB4484338, KB4484332, KB4484364
REFERENCES
[1] Security Update Guide
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
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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