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                         AUSCERT Security Bulletin

                               ASB-2018.0074
           Security vulnerabilities patched in Microsoft Office,
                  Microsoft Office Services and Web Apps
                               11 April 2018

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

Product:              Microsoft Office
                      Microsoft Excel
                      Microsoft SharePoint Server
                      Microsoft Word
                      Word Automation Services
Operating System:     Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Access Privileged Data          -- Remote with User Interaction
                      Increased Privileges            -- Existing Account            
Resolution:           Patch/Upgrade
CVE Names:            CVE-2018-1034 CVE-2018-1032 CVE-2018-1030
                      CVE-2018-1029 CVE-2018-1028 CVE-2018-1027
                      CVE-2018-1026 CVE-2018-1014 CVE-2018-1011
                      CVE-2018-1007 CVE-2018-1005 CVE-2018-0950
                      CVE-2018-0920  
Member content until: Friday, May 11 2018

OVERVIEW

        Microsoft has released its monthly security patch update for the month of
        April 2018. [1]  This update resolves 13 vulnerabilities across the following
        products:
         Excel Services
         Microsoft Excel  2016 Click-to-Run (C2R) for 32-bit editions
         Microsoft Excel  2016 Click-to-Run (C2R) for 64-bit editions
         Microsoft Excel 2007 Service Pack 3
         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 Excel Viewer 2007 Service Pack 3
         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 Click-to-Run (C2R) for 32-bit editions
         Microsoft Office 2016 Click-to-Run (C2R) for 64-bit editions
         Microsoft Office 2016 for Mac
         Microsoft Office Compatibility Pack Service Pack 3
         Microsoft Office Web Apps 2010 Service Pack 2
         Microsoft Office Web Apps Server 2013 Service Pack 1
         Microsoft SharePoint Enterprise Server 2013 Service Pack 1
         Microsoft SharePoint Enterprise Server 2016
         Microsoft SharePoint Server 2010 Service Pack 2
         Microsoft SharePoint Server 2013 Service Pack 1
         Microsoft Word 2007 Service Pack 3
         Microsoft Word 2010 Service Pack 2 (32-bit editions)
         Microsoft Word 2010 Service Pack 2 (64-bit editions)
         Microsoft Word 2013 RT Service Pack 1
         Microsoft Word 2013 Service Pack 1 (32-bit editions)
         Microsoft Word 2013 Service Pack 1 (64-bit editions)
         Microsoft Word 2016 (32-bit edition)
         Microsoft Word 2016 (64-bit edition)
         Word Automation Services


IMPACT

        Microsoft has given the following details regarding these vulnerabilities.
        
         Details         Impact                   Severity
         CVE-2018-0920   Remote Code Execution    Important
         CVE-2018-0950   Information Disclosure   Important
         CVE-2018-1005   Elevation of Privilege   Important
         CVE-2018-1007   Information Disclosure   Important
         CVE-2018-1011   Remote Code Execution    Important
         CVE-2018-1014   Elevation of Privilege   Important
         CVE-2018-1026   Remote Code Execution    Important
         CVE-2018-1027   Remote Code Execution    Important
         CVE-2018-1028   Remote Code Execution    Important
         CVE-2018-1029   Remote Code Execution    Important
         CVE-2018-1030   Remote Code Execution    Important
         CVE-2018-1032   Elevation of Privilege   Important
         CVE-2018-1034   Elevation of Privilege   Important


MITIGATION

        Microsoft recommends updating the software with the version made available on
        the Microsoft Update Catalogue for the following Knowledge Base articles. [1]
        
        
         KB4018344, KB4018347, KB4018341, KB4018343, KB4018342
         KB4018362, KB4018360, KB4018328, KB4011717, KB4011712
         KB4011719, KB4018353, KB4018350, KB4018356, KB4018357
         KB4018354, KB4018355, KB4018359, KB4018336, KB4018337
         KB4018330, KB4018319, KB4018339, KB4018311, KB4011628
         KB4018288, KB4011586


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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