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                         AUSCERT Security Bulletin

                               ASB-2019.0276
              Security update for Microsoft Internet Explorer
                              9 October 2019

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

Product:              Microsoft Internet Explorer
Operating System:     Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Provide Misleading Information  -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2019-1371 CVE-2019-1357 CVE-2019-1239
                      CVE-2019-1238 CVE-2019-0608 
Member content until: Friday, November  8 2019

OVERVIEW

        Microsoft has released its monthly security patch update for the month of October 2019.
        
        This update resolves 5 vulnerabilities across the following products: [1]
        
         Internet Explorer 10
         Internet Explorer 11
         Internet Explorer 9


IMPACT

        Microsoft has given the following details regarding these vulnerabilities.
        
         Details         Impact                   Severity
         CVE-2019-0608   Spoofing                 Important
         CVE-2019-1238   Remote Code Execution    Critical
         CVE-2019-1239   Remote Code Execution    Critical
         CVE-2019-1357   Spoofing                 Important
         CVE-2019-1371   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].
        
        
         KB4520010, KB4519976, KB4520002, KB4519974, KB4520011
         KB4519998, KB4520008, KB4520007, KB4520004, KB4520005
         KB4519338, KB4517389


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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