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AUSCERT Security Bulletin
ASB-2021.0233
Microsoft Patch Tuesday update for Microsoft Azure for November 2021
10 November 2021
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AusCERT Security Bulletin Summary
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Product: Microsoft Azure
Operating System: Windows
Impact/Access: Increased Privileges -- Existing Account
Modify Arbitrary Files -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-42323 CVE-2021-42304 CVE-2021-42303
CVE-2021-42302 CVE-2021-42301 CVE-2021-42300
CVE-2021-41376 CVE-2021-41375 CVE-2021-41374
CVE-2021-41373 CVE-2021-26444
OVERVIEW
Microsoft has released its monthly security patch update for the
month of November 2021.
This update resolves 11 vulnerabilities across the following
products: [1]
Azure RTOS
Azure Sphere
FSLogix
IMPACT
Microsoft has given the following details regarding these vulnerabilities.
Details Impact Severity
CVE-2021-26444 Information Disclosure Important
CVE-2021-41373 Information Disclosure Important
CVE-2021-41374 Information Disclosure Important
CVE-2021-41375 Information Disclosure Important
CVE-2021-41376 Information Disclosure Important
CVE-2021-42300 Tampering Important
CVE-2021-42301 Information Disclosure Important
CVE-2021-42302 Elevation of Privilege Important
CVE-2021-42303 Elevation of Privilege Important
CVE-2021-42304 Elevation of Privilege Important
CVE-2021-42323 Information Disclosure Important
MITIGATION
Microsoft recommends updating the software to the latest available
version available on the Microsoft Update Catalog. [1].
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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