Google Chrome: Multiple vulnerabilities

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                         AUSCERT Security Bulletin

                               ASB-2013.0066
     A number of vulnerabilities have been identified in Google Chrome
                                22 May 2013

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

Product:              Google Chrome
Operating System:     Windows
                      OS X
                      Linux variants
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Cross-site Scripting            -- Remote with User Interaction
                      Denial of Service               -- Remote with User Interaction
                      Reduced Security                -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2013-2849 CVE-2013-2848 CVE-2013-2847
                      CVE-2013-2846 CVE-2013-2845 CVE-2013-2844
                      CVE-2013-2843 CVE-2013-2842 CVE-2013-2841
                      CVE-2013-2840 CVE-2013-2839 CVE-2013-2838
                      CVE-2013-2837 CVE-2013-2836 
Member content until: Friday, June 21 2013

OVERVIEW

        A number of vulnerabilities have been identified in Google Chrome 
        prior to version 27.0.1453.93 for Windows, Mac, Linux, and Chrome 
        Frame. [1]


IMPACT

        The vendor has provided the following details regarding these issues:
                
        "[$1000] [235638] High CVE-2013-2837: Use-after-free in SVG. Credit to 
        Slawomir Blazek.
        [$500] [235311] Medium CVE-2013-2838: Out-of-bounds read in v8. Credit 
        to Christian Holler.
        [$1500] [230176] High CVE-2013-2839: Bad cast in clipboard handling. 
        Credit to Jon of MWR InfoSecurity.
        [$1000] [230117] High CVE-2013-2840: Use-after-free in media loader. 
        Credit to Nils of MWR InfoSecurity.
        [$1000] [227350] High CVE-2013-2841: Use-after-free in Pepper resource 
        handling. Credit to Chamal de Silva.
        [$2000] [226696] High CVE-2013-2842: Use-after-free in widget 
        handling. Credit to Cyril Cattiaux.
        [$1000] [222000] High CVE-2013-2843: Use-after-free in speech 
        handling. Credit to Khalil Zhani.
        [$1000] [196393] High CVE-2013-2844: Use-after-free in style 
        resolution. Credit to Sachin Shinde (@cons0ul).
        [$3133.7] [188092] [179522] [222136] [188092] High CVE-2013-2845: 
        Memory safety issues in Web Audio. Credit to Atte Kettunen of OUSPG.
        [$1000] [177620] High CVE-2013-2846: Use-after-free in media loader. 
        Credit to Chamal de Silva.
        [$1000] [176692] High CVE-2013-2847: Use-after-free race condition 
        with workers. Credit to Collin Payne.
        [$500] [176137] Medium CVE-2013-2848: Possible data extraction with 
        XSS Auditor. Credit to Egor Homakov.
        [171392] Low CVE-2013-2849: Possible XSS with drag+drop or copy+paste. 
        Credit to Mario Heiderich.
                
        In addition, our ongoing internal security work was as usual 
        responsible for a wide range of fixes:
        [241595] High CVE-2013-2836: Various fixes from internal audits, 
        fuzzing and other initiatives." [1]


MITIGATION

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


REFERENCES

        [1] Stable Channel Release
            http://googlechromereleases.blogspot.ca/2013/05/stable-channel-release.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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