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AUSCERT Security Bulletin
ASB-2020.0167
Microsoft Patch Tuesday update for Microsoft Dynamics for October 2020
14 October 2020
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AusCERT Security Bulletin Summary
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Product: Microsoft Dynamics 365 (on-premises)
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Modify Arbitrary Files -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Unauthorised Access -- Remote/Unauthenticated
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-16978 CVE-2020-16956 CVE-2020-16943
Member content until: Friday, November 13 2020
OVERVIEW
Microsoft has released its monthly security patch update for the month of October 2020.
This update resolves 3 vulnerabilities across the following products: [1]
Dynamics 365 Commerce
Microsoft Dynamics 365 (on-premises) version 8.2
Microsoft Dynamics 365 (on-premises) version 9.0
IMPACT
Microsoft has given the following details regarding these vulnerabilities.
Details Impact Severity
CVE-2020-16943 Elevation of Privilege Important
CVE-2020-16956 Spoofing Important
CVE-2020-16978 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]
KB4578106, KB4578105
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
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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