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                             CERT-Renater

                 Note d'Information No. 2020/VULN602
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DATE                : 04/11/2020

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Google Chrome versions prior to
                                     86.0.4240.183.

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https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop.html
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Stable Channel Update for Desktop
Monday, November 2, 2020


The stable channel has been updated to 86.0.4240.183 for Windows, Mac &
Linux which will roll out over the coming days/weeks.

A list of all changes is available in the log. Interested in switching
release channels?Find out how. If you find a new issue, please let us
know by filing a bug. The community help forum is also a great place to
reach out for help or learn about common issues.


Security Fixes and Rewards
Note: Access to bug details and links may be kept restricted until a
majority of users are updated with a fix. We will also retain
restrictions if the bug exists in a third party library that other
projects similarly depend on, but haven’t yet fixed.

This update includes 10 security fixes. Below, we highlight fixes that
were contributed by external researchers. Please see the Chrome Security
Page for more information.

[$15000][1138911] High CVE-2020-16004: Use after free in user interface.
Reported by Leecraso and Guang Gong of 360 Alpha Lab working with 360
BugCloud on 2020-10-15

[$15000][1139398] High CVE-2020-16005: Insufficient policy enforcement
in ANGLE. Reported by Jaehun Jeong(@n3sk) of Theori on 2020-10-16

[$5000][1133527] High CVE-2020-16006: Inappropriate implementation in
V8. Reported by Bill Parks on 2020-09-29

[$1000][1125018] High CVE-2020-16007: Insufficient data validation in
installer. Reported by Abdelhamid Naceri (halov) on 2020-09-04

[$TBD][1134107] High CVE-2020-16008: Stack buffer overflow in WebRTC.
Reported by Tolya Korniltsev on 2020-10-01

[$NA][1143772] High CVE-2020-16009: Inappropriate implementation in V8.
Reported by Clement Lecigne of Google's Threat Analysis Group and Samuel
Groß of Google Project Zero on 2020-10-29

[$NA][1144489] High CVE-2020-16011: Heap buffer overflow in UI on
Windows. Reported by Sergei Glazunov of Google Project Zero on
2020-11-01


Google is aware of reports that an exploit for CVE-2020-16009 exists in
the wild.

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:

[1144284] Various fixes from internal audits, fuzzing and other
initiatives

Many of our security bugs are detected using AddressSanitizer,
MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity,
libFuzzer, or AFL.



Google Chrome
Prudhvikumar Bommana

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+ CERT-RENATER       |    tel : 01-53-94-20-44          +
+ 23/25 Rue Daviel   |    fax : 01-53-94-20-41          +
+ 75013 Paris        |    email:cert@support.renater.fr +
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