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                         AUSCERT Security Bulletin

                               ASB-2018.0131
             Security updates for Microsoft Internet Explorer
                               13 June 2018

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

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

Product:              Microsoft Internet Explorer
Operating System:     Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Reduced Security                -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2018-8267 CVE-2018-8249 CVE-2018-8113
                      CVE-2018-0978  
Member content until: Friday, July 13 2018

OVERVIEW

        Microsoft has released its monthly security patch update for the month of June
        2018. [1]  This update resolves 4 vulnerabilities across the following
        products:
         Internet Explorer 10
         Internet Explorer 11
         Internet Explorer 9


IMPACT

        Microsoft has given the following details regarding these vulnerabilities.
        
         Details         Impact                   Severity
         CVE-2018-0978   Remote Code Execution    Important
         CVE-2018-8113   Security Feature Bypass  Important
         CVE-2018-8249   Remote Code Execution    Critical
         CVE-2018-8267   Remote Code Execution    Critical


MITIGATION

        Microsoft recommends updating the software with the version made available on
        the Microsoft Update Catalogue for the following Knowledge Base articles. [1]
        
        
         KB4284815, KB4284826, KB4284880, KB4284860, KB4284874
         KB4284835, KB4230450, KB4284855, KB4284819


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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