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                         AUSCERT Security Bulletin

                               ASB-2022.0125
 Microsoft Patch Tuesday update for Microsoft Developer Tools for May 2022
                                11 May 2022

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:          Microsoft .NET Framework
                  .NET
                  .NET Core
                  Microsoft Visual Studio
                  Visual Studio Code
Operating System: Windows
                  macOS
Resolution:       Patch/Upgrade
CVE Names:        CVE-2022-30130 CVE-2022-30129 CVE-2022-29148
                  CVE-2022-29145 CVE-2022-29117 CVE-2022-23267

Comment: CVSS (Max):  8.8 CVE-2022-30129 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
         CVSS Source: Microsoft
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

OVERVIEW

        Microsoft has released its monthly security patch update for the
        month of May 2022.
        
        This update resolves 6 vulnerabilities across the following products:
        [1]
        
         .NET 5.0
         .NET 6.0
         .NET Core 3.1
         Microsoft .NET Framework 2.0 Service Pack 2
         Microsoft .NET Framework 3.0 Service Pack 2
         Microsoft .NET Framework 3.5
         Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2
         Microsoft .NET Framework 3.5 AND 4.7.2
         Microsoft .NET Framework 3.5 AND 4.8
         Microsoft .NET Framework 3.5.1
         Microsoft .NET Framework 4.6
         Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
         Microsoft .NET Framework 4.8
         Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
         Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)
         Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)
         Microsoft Visual Studio 2022 version 17.0
         Microsoft Visual Studio 2022 version 17.1
         Visual Studio Code


IMPACT

        Microsoft has given the following details regarding these vulnerabilities.
        
         Details         Impact                   Severity
         CVE-2022-23267  Denial of Service        Important
         CVE-2022-29117  Denial of Service        Important
         CVE-2022-29145  Denial of Service        Important
         CVE-2022-29148  Remote Code Execution    Important
         CVE-2022-30129  Remote Code Execution    Important
         CVE-2022-30130  Denial of Service        Low


MITIGATION

        Microsoft recommends updating the software with the version made
        available on the Microsoft Update Catalogue for the following
        Knowledge Base articles. [1].
        
         KB5013624, KB5013625, KB5013627, KB5013628, KB5013630
         KB5013837, KB5013838, KB5013839, KB5013840, KB5013868
         KB5013870, KB5013871, KB5013872, KB5013873, KB5013952
         KB5014326, KB5014329


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.

===========================================================================
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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