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                         AUSCERT Security Bulletin

                               ASB-2021.0111
   Microsoft Security Update Release for Microsoft Edge (Chromium-based)
                                17 May 2021

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

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

Product:          Microsoft Edge (based on Chromium)
Operating System: Windows
Impact/Access:    Execute Arbitrary Code/Commands -- Remote with User Interaction
                  Denial of Service               -- Remote with User Interaction
                  Provide Misleading Information  -- Remote with User Interaction
                  Access Confidential Data        -- Remote with User Interaction
Resolution:       Patch/Upgrade
CVE Names:        CVE-2021-30520 CVE-2021-30519 CVE-2021-30518
                  CVE-2021-30517 CVE-2021-30516 CVE-2021-30515
                  CVE-2021-30514 CVE-2021-30513 CVE-2021-30512
                  CVE-2021-30511 CVE-2021-30510 CVE-2021-30509
                  CVE-2021-30508 CVE-2021-30507 CVE-2021-30506
Reference:        ESB-2021.1629

OVERVIEW

        The following Chrome CVEs have been released on May 10, 2021.
                
        These CVEs were assigned by Chrome. Microsoft Edge (Chromium-based) 
        ingests Chromium, which addresses these vulnerabilities. 
        Please see Google Chrome Releases for more information. [1]
                
        Edge version: 90.0.818.62
        Chromium version:  90.0.4430.212 [2]


IMPACT

        The following vulnerabilities have been addressed:
        
        * CVE-2021-30506
        * CVE-2021-30507
        * CVE-2021-30508
        * CVE-2021-30509
        * CVE-2021-30510
        * CVE-2021-30511
        * CVE-2021-30512
        * CVE-2021-30513
        * CVE-2021-30514
        * CVE-2021-30515
        * CVE-2021-30516
        * CVE-2021-30517
        * CVE-2021-30518
        * CVE-2021-30519
        * CVE-2021-30520


MITIGATION

        It is advised to update Edge to the latest release.


REFERENCES

        [1] Google Chrome Releases
            https://chromereleases.googleblog.com/2021

        [2] Security Update Guide
            https://msrc.microsoft.com/update-guide/en-us

        [3] Security Update Guide Supports CVEs Assigned by Industry Partners
            https://msrc-blog.microsoft.com/2021/01/13/security-update-guide-supports-cves-assigned-by-industry-partners/

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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