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                         AUSCERT Security Bulletin

                               ASB-2012.0121
     A number of vulnerabilities have been identified in Google Chrome
                             3 September 2012

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

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

Product:              Google Chrome
Operating System:     Linux variants
                      Mac OS X
                      Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Denial of Service               -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2012-2872 CVE-2012-2871 CVE-2012-2870
                      CVE-2012-2869 CVE-2012-2868 CVE-2012-2867
                      CVE-2012-2866 CVE-2012-2865 
Member content until: Wednesday, October  3 2012

OVERVIEW

        A number of vulnerabilities have been identified in Google Chrome
        prior to version 21.0.1180.89. [1]


IMPACT

        The vendor has provided the following details regarding these
        vulnerabilities:
        
        "[$500] [121347] Medium CVE-2012-2865: Out-of-bounds read in line 
        breaking. Credit to miaubiz.
        [$1000] [134897] High CVE-2012-2866: Bad cast with run-ins. Credit to 
        miaubiz.
        [135485] Low CVE-2012-2867: Browser crash with SPDY.
        [$500] [136881] Medium CVE-2012-2868: Race condition with workers and 
        XHR. Credit to miaubiz.
        [137778] High CVE-2012-2869: Avoid stale buffer in URL loading. Credit 
        to Fermin Serna of the Google Security Team.
        [138672] [140368] Low CVE-2012-2870: Lower severity memory management 
        issues in XPath. Credit to Nicolas Gregoire.
        [$1000] [138673] High CVE-2012-2871: Bad cast in XSL transforms. 
        Credit to Nicolas Gregoire.
        [$500] [142956] Medium CVE-2012-2872: XSS in SSL interstitial. Credit 
        to Emmanuel Bronshtein." [1]


MITIGATION

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


REFERENCES

        [1] Stable Channel Update
            http://googlechromereleases.blogspot.com.au/2012/08/stable-channel-update_30.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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