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                         AUSCERT Security Bulletin

                               ASB-2017.0182
      Multiple vulnerabilities have been identified in Google Chrome
                              19 October 2017

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

        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
                      Denial of Service               -- Remote with User Interaction
                      Provide Misleading Information  -- Remote with User Interaction
                      Access Confidential Data        -- Remote with User Interaction
                      Reduced Security                -- Remote with User Interaction
Resolution:           Patch/Upgrade
CVE Names:            CVE-2017-15395 CVE-2017-15394 CVE-2017-15393
                      CVE-2017-15392 CVE-2017-15391 CVE-2017-15390
                      CVE-2017-15389 CVE-2017-15388 CVE-2017-15387
                      CVE-2017-15386 CVE-2017-5133 CVE-2017-5132
                      CVE-2017-5131 CVE-2017-5130 CVE-2017-5129
                      CVE-2017-5128 CVE-2017-5127 CVE-2017-5126
                      CVE-2017-5125 CVE-2017-5124 
Member content until: Saturday, November 18 2017

OVERVIEW

        Multiple vulnerabilities have been identified in Google Chrome prior
        to version 62.0.3202.62. [1]


IMPACT

        Google have provided the following details regarding the 
        vulnerabilities:
        
        "This update includes 35 security fixes. Below, we highlight fixes that
        were contributed by external researchers. Please see the Chrome Security
        Page for more information.
        
        [$7500+$1337][762930] High CVE-2017-5124: UXSS with MHTML. Reported by
        Anonymous on 2017-09-07
        
        [$5000][749147] High CVE-2017-5125: Heap overflow in Skia. Reported by
        Anonymous on 2017-07-26
        
        [$3000][760455] High CVE-2017-5126: Use after free in PDFium. Reported by
        Luat Nguyen (@l4wio) of KeenLab, Tencent on 2017-08-30
        
        [$3000][765384] High CVE-2017-5127: Use after free in PDFium. Reported by
        Luat Nguyen (@l4wio) of KeenLab, Tencent on 2017-09-14
        
        [$3000][765469] High CVE-2017-5128: Heap overflow in WebGL. Reported by
        Omair on 2017-09-14
        
        [$3000][765495] High CVE-2017-5129: Use after free in WebAudio. Reported
        by Omair on 2017-09-15
        
        [$3000][718858] High CVE-2017-5132: Incorrect stack manipulation in
        WebAssembly. Reported by Gaurav Dewan (@007gauravdewan) of Adobe Systems
        India Pvt. Ltd. on 2017-05-05
        
        [$N/A][722079] High CVE-2017-5130: Heap overflow in libxml2. Reported by
        Pranjal Jumde (@pjumde) on 2017-05-14
        
        [$5000][744109] Medium CVE-2017-5131: Out of bounds write in Skia. Reported
        by Anonymous on 2017-07-16
        
        [$2000][762106] Medium CVE-2017-5133: Out of bounds write in Skia. Reported
        by Aleksandar Nikolic of Cisco Talos on 2017-09-05
        
        [$1000][752003] Medium CVE-2017-15386: UI spoofing in Blink. Reported by
        WenXu Wu of Tencent's Xuanwu Lab on 2017-08-03
        
        [$1000][756040] Medium CVE-2017-15387: Content security bypass. Reported
        by Jun Kokatsu (@shhnjk) on 2017-08-16
        
        [$1000][756563] Medium CVE-2017-15388: Out of bounds read in Skia. Reported
        by Kushal Arvind Shah of Fortinet's FortiGuard Labs on 2017-08-17
        
        [$500][739621] Medium CVE-2017-15389: URL spoofing in OmniBox. Reported
        by xisigr of Tencent's Xuanwu Lab on 2017-07-06
        
        [$500][750239] Medium CVE-2017-15390: URL spoofing in OmniBox. Reported
        by Haosheng Wang (@gnehsoah) on 2017-07-28
        
        [$500][598265] Low CVE-2017-15391: Extension limitation bypass in
        Extensions. Reported by Joao Lucas Melo Brasio (whitehathackers.com.br)
        on 2016-03-28
        
        [$N/A][714401] Low CVE-2017-15392: Incorrect registry key handling in
        PlatformIntegration. Reported by Xiaoyin Liu (@general_nfs) on 2017-04-22
        
        [$N/A][732751] Low CVE-2017-15393: Referrer leak in Devtools. Reported by
        Svyat Mitin on 2017-06-13
        
        [$N/A][745580] Low CVE-2017-15394: URL spoofing in extensions UI. Reported
        by Sam @sudosammy on 2017-07-18
        
        [$N/A][759457] Low CVE-2017-15395: Null pointer dereference in
        ImageCapture. Reported by Johannes Bergman (johberlvi@) on 2017-08-28
        
        We would also like to thank all security researchers that worked with us
        during the development cycle to prevent security bugs from ever reaching the
        stable channel.As usual, our ongoing internal security work was responsible
        for a wide range of fixes:
        
        [775550] Various fixes from internal audits, fuzzing and other initiatives"
        
        [1]


MITIGATION

        The latest version of Google Chrome can be downloaded from the 
        vendor's website. [2]


REFERENCES

        [1] Chrome Releases: Stable Channel Update for Desktop
            https://chromereleases.googleblog.com/2017/10/stable-channel-update-for-desktop.html

        [2] Google Chrome
            http://www.google.com/chrome

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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