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                         AUSCERT Security Bulletin

                               ASB-2019.0180
        Microsoft Internet Explorer Security updates for July 2019
                               10 July 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
Resolution:           Patch/Upgrade
CVE Names:            CVE-2019-1104 CVE-2019-1063 CVE-2019-1059
                      CVE-2019-1056 CVE-2019-1004 CVE-2019-1001
Member content until: Friday, August  9 2019
Reference:            ESB-2019.2465
                      ESB-2019.2419
                      ESB-2019.2019
                      ESB-2019.1986

OVERVIEW

        Microsoft has released its monthly security patch update for the month
        of July 2019. [1]
        
        This update resolves 6 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-2019-1001   Remote Code Execution    Critical
         CVE-2019-1004   Remote Code Execution    Critical
         CVE-2019-1056   Remote Code Execution    Critical
         CVE-2019-1059   Remote Code Execution    Critical
         CVE-2019-1063   Remote Code Execution    Critical
         CVE-2019-1104   Remote Code Execution    Critical


MITIGATION

        Microsoft recommends updating the software with the version made 
        available on the Microsoft Update Cataloge for the following Knowledge Base articles. [1]
        
         KB4507434, KB4507435, KB4507469, KB4507462, KB4507460
         KB4507452, KB4507453, KB4507450, KB4507455, KB4507458
         KB4507449, KB4507448


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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