Operating System:

[Win]

Published:

16 August 2018

Protect yourself against future threats.

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                         AUSCERT Security Bulletin

                               ASB-2018.0195
            Security vulnerabilities patched in Microsoft Edge
                              16 August 2018

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

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

Product:              Microsoft Edge
Operating System:     Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Increased Privileges            -- Remote with User Interaction
                      Access Privileged Data          -- Existing Account            
                      Access Confidential Data        -- Remote with User Interaction
                      Unauthorised Access             -- 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-2018-0803 CVE-2018-0800 CVE-2018-0781
                      CVE-2018-0780 CVE-2018-0778 CVE-2018-0777
                      CVE-2018-0776 CVE-2018-0775 CVE-2018-0774
                      CVE-2018-0773 CVE-2018-0772 CVE-2018-0771
                      CVE-2018-0770 CVE-2018-0769 CVE-2018-0768
                      CVE-2018-0767 CVE-2018-0766 CVE-2018-0763
                      CVE-2018-0762 CVE-2018-0758 
Member content until: Saturday, September 15 2018
Reference:            ASB-2018.0046
                      ASB-2018.0044
                      ASB-2018.0043
                      ASB-2018.0008
                      ASB-2018.0004.2
                      ASB-2018.0003

OVERVIEW

        Microsoft has released its monthly security patch update for the month of August 2018.
        
        This update resolves 33 vulnerabilities across the following products: [1]
        
         Microsoft Edge


IMPACT

        Microsoft has given the following details regarding these vulnerabilities.
        
         Details         Impact                   Severity
         ADV180002       Information Disclosure   Important
         CVE-2018-0758   Remote Code Execution    Critical
         CVE-2018-0762   Remote Code Execution    Critical
         CVE-2018-0763   Information Disclosure   Critical
         CVE-2018-0766   Information Disclosure   Important
         CVE-2018-0767   Information Disclosure   Critical
         CVE-2018-0768   Remote Code Execution    Important
         CVE-2018-0769   Remote Code Execution    Critical
         CVE-2018-0770   Remote Code Execution    Critical
         CVE-2018-0771   Security Feature Bypass  Moderate
         CVE-2018-0772   Remote Code Execution    Critical
         CVE-2018-0773   Remote Code Execution    Critical
         CVE-2018-0774   Remote Code Execution    Critical
         CVE-2018-0775   Remote Code Execution    Critical
         CVE-2018-0776   Remote Code Execution    Critical
         CVE-2018-0777   Remote Code Execution    Critical
         CVE-2018-0778   Remote Code Execution    Critical
         CVE-2018-0780   Information Disclosure   Critical
         CVE-2018-0781   Remote Code Execution    Critical
         CVE-2018-0800   Information Disclosure   Critical
         CVE-2018-0803   Elevation of Privilege   Important
         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 Cataloge for the following Knowledge Base articles. [1].
        
        
         KB4056893, KB4073291, KB4056891, KB4056890, KB4056892
         KB4056888, KB4074588, KB4074592, KB4074590, KB4074591
         KB4074596


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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