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AUSCERT Security Bulletin
ASB-2023.0121.2
Microsoft Patch Tuesday update for Developer Tools for July 2023
12 July 2023
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AusCERT Security Bulletin Summary
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Product: .NET 6.0 & 7.0
Microsoft Visual Studio
Visual Studio Code
Mono
PandocUpload
Operating System: Windows
Resolution: Patch/Upgrade
CVE Names: CVE-2023-36867 CVE-2023-35373 CVE-2023-35333
CVE-2023-33170 CVE-2023-33127
Comment: CVSS (Max): 8.8 CVE-2023-35333 (CVSS:3.1/AV:N/AC:L/PR:L/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:L/UI:N/S:U/C:H/I:H/A:H
Revision History: July 12 2023: CVSS information corrected
July 12 2023: Initial Release
OVERVIEW
Microsoft has released its monthly security patch update for the
month of July 2023.
This update resolves 5 vulnerabilities across the following
product(s): [1]
.NET 6.0
.NET 7.0
Microsoft Visual Studio 2022 version 17.0
Microsoft Visual Studio 2022 version 17.2
Microsoft Visual Studio 2022 version 17.4
Microsoft Visual Studio 2022 version 17.6
Mono 6.12.0
PandocUpload
Visual Studio Code – GitHub Pull Requests and Issues Extension
IMPACT
Microsoft has given the following details regarding these vulnerabilities.
Details Impact Severity
CVE-2023-33127 Elevation of Privilege Important
CVE-2023-33170 Security Feature Bypass Important
CVE-2023-35333 Remote Code Execution Important
CVE-2023-35373 Spoofing Important
CVE-2023-36867 Remote Code Execution Important
MITIGATION
Microsoft recommends updating the software with the version made
available on the Microsoft Update Catalogue for the following
Knowledge Base articles. [1].
KB5028705, KB5028706
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: [email protected]
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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