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                         AUSCERT Security Bulletin

                               ASB-2019.0143
              Security updates for Microsoft Office products
                                15 May 2019

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

Product:              Microsoft Office
                      Microsoft SharePoint
                      Microsoft Office 365 ProPlus
Operating System:     Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Cross-site Scripting            -- Existing Account            
Resolution:           Patch/Upgrade
CVE Names:            CVE-2019-0963 CVE-2019-0958 CVE-2019-0957
                      CVE-2019-0956 CVE-2019-0953 CVE-2019-0952
                      CVE-2019-0951 CVE-2019-0950 CVE-2019-0949
                      CVE-2019-0947 CVE-2019-0946 CVE-2019-0945
Member content until: Friday, June 14 2019

OVERVIEW

        Microsoft has released its monthly security patch update for the month of May 2019.
        
        This update resolves 12 vulnerabilities across the following products: [1]
        
         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 Office Online Server
         Microsoft SharePoint Enterprise Server 2016
         Microsoft SharePoint Foundation 2010 Service Pack 2
         Microsoft SharePoint Foundation 2013 Service Pack 1
         Microsoft SharePoint Server 2019
         Microsoft Word 2016 (32-bit edition)
         Microsoft Word 2016 (64-bit edition)
         Office 365 ProPlus for 32-bit Systems
         Office 365 ProPlus for 64-bit Systems


IMPACT

        Microsoft has given the following details regarding these vulnerabilities.
        
         Details         Impact                   Severity
         CVE-2019-0945   Remote Code Execution    Important
         CVE-2019-0946   Remote Code Execution    Important
         CVE-2019-0947   Remote Code Execution    Important
         CVE-2019-0949   Spoofing                 Important
         CVE-2019-0950   Spoofing                 Important
         CVE-2019-0951   Spoofing                 Important
         CVE-2019-0952   Remote Code Execution    Important
         CVE-2019-0953   Remote Code Execution    Critical
         CVE-2019-0956   Information Disclosure   Important
         CVE-2019-0957   Elevation of Privilege   Important
         CVE-2019-0958   Elevation of Privilege   Important
         CVE-2019-0963   Spoofing                 Important


MITIGATION

        Microsoft recommends updating the software with the version made available on the Microsoft Update Catalogue for the following Knowledge Base articles. [1].
        
         KB4464567, KB4464564, KB4464561, KB4462169, KB4464536
         KB4464549, KB4464556, KB4464573, KB4464551


REFERENCES

        [1] Microsoft Security 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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