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                         AUSCERT Security Bulletin

           Microsoft Patch Tuesday update for Microsoft Extended
                    Security Update (ESU) for July 2021
                               14 July 2021


        AusCERT Security Bulletin Summary

Product:          Windows 7
                  Windows Server 2008
                  Windows Server 2008 R2
Operating System: Windows
Impact/Access:    Execute Arbitrary Code/Commands -- Remote with User Interaction
                  Increased Privileges            -- Existing Account            
                  Denial of Service               -- Remote/Unauthenticated      
                  Access Confidential Data        -- Remote/Unauthenticated      
                  Provide Misleading Information  -- Remote with User Interaction
                  Unauthorised Access             -- Remote with User Interaction
Resolution:       Patch/Upgrade
CVE Names:        CVE-2021-34516 CVE-2021-34514 CVE-2021-34511
                  CVE-2021-34507 CVE-2021-34504 CVE-2021-34500
                  CVE-2021-34499 CVE-2021-34498 CVE-2021-34497
                  CVE-2021-34496 CVE-2021-34494 CVE-2021-34492
                  CVE-2021-34476 CVE-2021-34457 CVE-2021-34456
                  CVE-2021-34448 CVE-2021-34447 CVE-2021-34446
                  CVE-2021-34444 CVE-2021-34442 CVE-2021-34441
                  CVE-2021-34440 CVE-2021-33788 CVE-2021-33786
                  CVE-2021-33783 CVE-2021-33782 CVE-2021-33780
                  CVE-2021-33765 CVE-2021-33764 CVE-2021-33757
                  CVE-2021-33756 CVE-2021-33754 CVE-2021-33752
                  CVE-2021-33750 CVE-2021-33749 CVE-2021-33746
                  CVE-2021-33745 CVE-2021-31979 CVE-2021-31183
Reference:        ASB-2021.0134


        Microsoft has released its monthly security patch update for the
        month of July 2021.
        This update resolves 39 vulnerabilities across the following
        products: [1]
         Windows 7 for 32-bit Systems Service Pack 1
         Windows 7 for x64-based Systems Service Pack 1
         Windows Server 2008 R2 for x64-based Systems Service Pack 1
         Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
         Windows Server 2008 for 32-bit Systems Service Pack 2
         Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
         Windows Server 2008 for x64-based Systems Service Pack 2
         Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)


        Microsoft has given the following details regarding these vulnerabilities.
         Details         Impact                   Severity
         CVE-2021-31183  Denial of Service        Important
         CVE-2021-31979  Elevation of Privilege   Important
         CVE-2021-33745  Denial of Service        Important
         CVE-2021-33746  Remote Code Execution    Important
         CVE-2021-33749  Remote Code Execution    Important
         CVE-2021-33750  Remote Code Execution    Important
         CVE-2021-33752  Remote Code Execution    Important
         CVE-2021-33754  Remote Code Execution    Important
         CVE-2021-33756  Remote Code Execution    Important
         CVE-2021-33757  Security Feature Bypass  Important
         CVE-2021-33764  Information Disclosure   Important
         CVE-2021-33765  Spoofing                 Important
         CVE-2021-33780  Remote Code Execution    Important
         CVE-2021-33782  Spoofing                 Important
         CVE-2021-33783  Information Disclosure   Important
         CVE-2021-33786  Security Feature Bypass  Important
         CVE-2021-33788  Denial of Service        Important
         CVE-2021-34440  Information Disclosure   Important
         CVE-2021-34441  Remote Code Execution    Important
         CVE-2021-34442  Denial of Service        Important
         CVE-2021-34444  Denial of Service        Important
         CVE-2021-34446  Security Feature Bypass  Important
         CVE-2021-34447  Remote Code Execution    Important
         CVE-2021-34448  Remote Code Execution    Critical
         CVE-2021-34456  Elevation of Privilege   Important
         CVE-2021-34457  Information Disclosure   Important
         CVE-2021-34476  Denial of Service        Important
         CVE-2021-34492  Spoofing                 Important
         CVE-2021-34494  Remote Code Execution    Critical
         CVE-2021-34496  Information Disclosure   Important
         CVE-2021-34497  Remote Code Execution    Critical
         CVE-2021-34498  Elevation of Privilege   Important
         CVE-2021-34499  Denial of Service        Important
         CVE-2021-34500  Information Disclosure   Important
         CVE-2021-34504  Remote Code Execution    Important
         CVE-2021-34507  Information Disclosure   Important
         CVE-2021-34511  Elevation of Privilege   Important
         CVE-2021-34514  Elevation of Privilege   Important
         CVE-2021-34516  Elevation of Privilege   Important


        Microsoft recommends updating the software with the version made
        available on the Microsoft Update Catalogue for the following
        Knowledge Base articles. [1].
         KB5004233, KB5004289, KB5004299, KB5004305, KB5004307


        [1] Microsoft Security Update Guidance

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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
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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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The University of Queensland
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