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                         AUSCERT Security Bulletin

                               ASB-2012.0004
     A number of vulnerabilities have been identified in Google Chrome
                              6 January 2012

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

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

Product:              Google Chrome
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2011-3922 CVE-2011-3921 CVE-2011-3919
Member content until: Sunday, February  5 2012

OVERVIEW

        A number of vulnerabilities have been identified in Google Chrome prior
        to version 16.0.912.75. [1]


IMPACT

        The vendor has provided the following details regarding these
        vulnerabilities:
        
        "[106672] High CVE-2011-3921: Use-after-free in animation frames.
          Credit to Boris Zbarsky of Mozilla.
        [107128] High CVE-2011-3919: Heap-buffer-overflow in libxml.
          Credit to Jri Aedla.
        [108006] High CVE-2011-3922: Stack-buffer-overflow in glyph handling.
          Credit to Google Chrome Security Team (Cris Neckar)." [1]


MITIGATION

        The vendor recommends upgrading to the latest version of Google Chrome
        to correct these issues. [1]


REFERENCES

        [1] Stable Channel Update
            http://googlechromereleases.blogspot.com/2012/01/stable-channel-update.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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