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ASB-2016.0032 - [Win][UNIX/Linux] Google Chrome: Multiple vulnerabilities

Date: 29 March 2016
References: ESB-2016.0794  ESB-2016.0816  

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===========================================================================
                         AUSCERT Security Bulletin

                               ASB-2016.0032
      Multiple vulnerabilities have been identified in Google Chrome
                               29 March 2016

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

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

Product:              Google Chrome
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Denial of Service               -- Remote with User Interaction
                      Reduced Security                -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2016-1650 CVE-2016-1649 CVE-2016-1648
                      CVE-2016-1647 CVE-2016-1646 
Member content until: Thursday, April 28 2016

OVERVIEW

        Multiple vulnerabilities have been identified in Google Chrome prior to
        version 49.0.2623.108. [1]


IMPACT

        "This update includes 5 security fixes. Below, we highlight fixes 
        that were contributed by external researchers. Please see the 
        Chromium security page for more information.
        
        [$7500][594574] High CVE-2016-1646: Out-of-bounds read in V8. Credit
        to Wen Xu from Tencent KeenLab.
        
        [$5500][590284] High CVE-2016-1647: Use-after-free in Navigation. 
        Credit to anonymous.
        
        [$5000][590455] High CVE-2016-1648: Use-after-free in Extensions. 
        Credit to anonymous.
        
        [595836] High CVE-2016-1649: Buffer overflow in libANGLE. Credit to
        lokihardt working with HP's Zero Day Initiative / Pwn2Own.
        
        As usual, our ongoing internal security work was responsible for a 
        wide range of fixes:
        
        [597518] CVE-2016-1650: Various fixes from internal audits, fuzzing
        and other initiatives.
        
        Multiple vulnerabilities in V8 fixed at the tip of the 4.9 branch 
        (currently 4.9.385.33)." [1]


MITIGATION

        The vendor recommends updating to the latest version. [1]


REFERENCES

        [1] Stable Channel Update
            http://googlechromereleases.blogspot.com.au/2016/03/stable-channel-update_24.html

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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