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                         AUSCERT Security Bulletin

                               ASB-2019.0278
          Security update for Microsoft Office, Microsoft Office
                           Services and Web Apps
                              9 October 2019

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

Product:              Microsoft Office, Microsoft Office Services and Web Apps
Operating System:     Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Cross-site Scripting            -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2019-1331 CVE-2019-1330 CVE-2019-1329
                      CVE-2019-1328 CVE-2019-1327 CVE-2019-1070
Member content until: Friday, November  8 2019

OVERVIEW

        Microsoft has released its monthly security patch update for the month of Octobe
        r 2019.
        
        This update resolves 6 vulnerabilities across the following products: [1]
        
         Excel Services
         Microsoft Excel 2010 Service Pack 2 (32-bit editions)
         Microsoft Excel 2010 Service Pack 2 (64-bit editions)
         Microsoft Excel 2013 RT Service Pack 1
         Microsoft Excel 2013 Service Pack 1 (32-bit editions)
         Microsoft Excel 2013 Service Pack 1 (64-bit editions)
         Microsoft Excel 2016 (32-bit edition)
         Microsoft Excel 2016 (64-bit edition)
         Microsoft Office 2010 Service Pack 2 (32-bit editions)
         Microsoft Office 2010 Service Pack 2 (64-bit editions)
         Microsoft Office 2013 RT Service Pack 1
         Microsoft Office 2013 Service Pack 1 (32-bit editions)
         Microsoft Office 2013 Service Pack 1 (64-bit editions)
         Microsoft Office 2016 (32-bit edition)
         Microsoft Office 2016 (64-bit edition)
         Microsoft Office 2016 for Mac
         Microsoft Office 2019 for 32-bit editions
         Microsoft Office 2019 for 64-bit editions
         Microsoft Office 2019 for Mac
         Microsoft SharePoint Enterprise Server 2013 Service Pack 1
         Microsoft SharePoint Enterprise Server 2016
         Microsoft SharePoint Foundation 2010 Service Pack 2
         Microsoft SharePoint Foundation 2013 Service Pack 1
         Microsoft SharePoint Server 2019
         Office 365 ProPlus for 32-bit Systems
         Office 365 ProPlus for 64-bit Systems
         Office Online Server


IMPACT

        Microsoft has given the following details regarding these vulnerabilities.
        
         Details         Impact                   Severity
         CVE-2019-1070   Spoofing                 Important
         CVE-2019-1327   Remote Code Execution    Important
         CVE-2019-1328   Spoofing                 Important
         CVE-2019-1329   Elevation of Privilege   Important
         CVE-2019-1330   Elevation of Privilege   Important
         CVE-2019-1331   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].
        
        
         KB4475608, KB4484130, KB4462176, KB4484122, KB4484123
         KB4475569, KB4484111, KB4484110, KB4484112, KB4475595
         KB4475558, KB4462215, KB4484131, KB4475554


REFERENCES

        [1] Security Update Guide
            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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