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                         AUSCERT Security Bulletin

                               ASB-2018.0044
                    Security Updates for Microsoft Edge
                             14 February 2018

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

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

Product:              Microsoft Edge
Operating System:     Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Access Privileged Data          -- Remote with User Interaction
                      Reduced Security                -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2018-0861 CVE-2018-0860 CVE-2018-0859
                      CVE-2018-0857 CVE-2018-0856 CVE-2018-0840
                      CVE-2018-0839 CVE-2018-0838 CVE-2018-0837
                      CVE-2018-0836 CVE-2018-0835 CVE-2018-0834
                      CVE-2018-0771 CVE-2018-0763 
Member content until: Friday, March 16 2018
Reference:            ASB-2018.0043

OVERVIEW

        Microsoft has released its monthly security patch update for the month of
        February 2018. [1]  This update resolves 14 vulnerabilities across the
        following products:
         Microsoft Edge


IMPACT

        Microsoft has given the following details regarding these vulnerabilities.
        
         Details         Impact                   Severity
         CVE-2018-0763   Information Disclosure   Critical
         CVE-2018-0771   Security Feature Bypass  Moderate
         CVE-2018-0834   Remote Code Execution    Critical
         CVE-2018-0835   Remote Code Execution    Critical
         CVE-2018-0836   Remote Code Execution    Important
         CVE-2018-0837   Remote Code Execution    Critical
         CVE-2018-0838   Remote Code Execution    Critical
         CVE-2018-0839   Information Disclosure   Important
         CVE-2018-0840   Remote Code Execution    Critical
         CVE-2018-0856   Remote Code Execution    Critical
         CVE-2018-0857   Remote Code Execution    Critical
         CVE-2018-0859   Remote Code Execution    Critical
         CVE-2018-0860   Remote Code Execution    Critical
         CVE-2018-0861   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]
        
        
         KB4074592, KB4074590, KB4074591, KB4074596, KB4074588


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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