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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.2922
                     Stable Channel Update for Desktop
                              26 August 2020

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

Product:           Google Chrome
Publisher:         Google
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
                   Access Confidential Data        -- Remote with User Interaction
                   Reduced Security                -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-6570 CVE-2020-6569 CVE-2020-6568
                   CVE-2020-6567 CVE-2020-6566 CVE-2020-6565
                   CVE-2020-6563 CVE-2020-6562 CVE-2020-6560
                   CVE-2020-6558 CVE-2020-65 

Original Bulletin: 
   https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_25.html

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Stable Channel Update for Desktop

Tuesday, August 25, 2020

 The Chrome team is delighted to announce the promotion of Chrome 85 to the
stable channel for Windows, Mac and Linux. This will roll out over the coming
days/weeks.



Chrome 85.0.4183.83 contains a number of fixes and improvements -- a list of
changes is available in the log. Watch out for upcoming Chrome and Chromium
 blog posts about new features and big efforts delivered in 85


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


[$N/A][1109120] High CVE-2020-6558: Insufficient policy enforcement in iOS. 
Reported by Alison Huffman, Microsoft Browser Vulnerability Research on
2020-07-24

[$TBD][1116706] High CVE-2020-6559: Use after free in presentation API. 
Reported by Liu Wei and Wu Zekai of Tencent Security Xuanwu Lab on 2020-08-15

[$5000][1108181] Medium CVE-2020-6560: Insufficient policy enforcement in
autofill. Reported by Nadja Ungethuem from www.unnex.de on 2020-07-22

[$1000][932892] Medium CVE-2020-6561: Inappropriate implementation in Content
Security Policy. Reported by Rob Wu on 2019-02-16

[$1000][1086845] Medium CVE-2020-6562: Insufficient policy enforcement in
Blink. Reported by Masato Kinugawa on 2020-05-27

[$1000][1104628] Medium CVE-2020-6563: Insufficient policy enforcement in
intent handling. Reported by Pedro Oliveira on 2020-07-12

[$500][841622] Medium CVE-2020-6564: Incorrect security UI in permissions. 
Reported by Khalil Zhani on 2018-05-10

[$500][1029907] Medium CVE-2020-6565: Incorrect security UI in Omnibox. 
Reported by Khalil Zhani on 2019-12-02

[$N/A][1065264] Medium CVE-2020-6566: Insufficient policy enforcement in media.
Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2020-03-27

[$500][937179] Low CVE-2020-6567: Insufficient validation of untrusted input in
command line handling. Reported by Joshua Graham of TSS on 2019-03-01

[$500][1092451] Low CVE-2020-6568: Insufficient policy enforcement in intent
handling. Reported by Yongke Wang(@Rudykewang) and Aryb1n(@aryb1n) of Tencent
Security Xuanwu Lab (???????????????????? on 2020-06-08

[$N/A][995732] Low CVE-2020-6569: Integer overflow in WebUSB. Reported by
guaixiaomei on 2019-08-20

[$N/A][1084699] Low CVE-2020-6570: Side-channel information leakage in WebRTC. 
Reported by Signal/Tenable on 2020-05-19

[$N/A][1085315] Low CVE-2020-6571: Incorrect security UI in Omnibox. Reported
by Rayyan Bijoora on 2020-05-21


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:

  * [1121299] 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
Srinivas Sista

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