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                         AUSCERT Security Bulletin

                               ASB-2019.0094
               Microsoft Internet Explorer security updates
                               10 April 2019

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

Product:              Internet Explorer
Operating System:     Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Access Confidential Data        -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2019-0862 CVE-2019-0835 CVE-2019-0764
                      CVE-2019-0753 CVE-2019-0752 
Member content until: Friday, May 10 2019
Reference:            ASB-2019.0093

OVERVIEW

        Microsoft has released its monthly security patch update for the month of April 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-2019-0752  Remote Code Execution    Important
         CVE-2019-0753  Remote Code Execution    Critical
         CVE-2019-0764  Tampering                Important
         CVE-2019-0835  Information Disclosure   Important
         CVE-2019-0862  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].
        
         KB4493474, KB4493475, KB4493472, KB4493470, KB4493471
         KB4493435, KB4493509, KB4493446, KB4493464, KB4493441
         KB4493451


REFERENCES

        [1] Security Guidance
            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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