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AUSCERT External Security Bulletin Redistribution
Stable Channel Update for Desktop
26 August 2020
AusCERT Security Bulletin Summary
Product: Google Chrome
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
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
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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
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
[$N/A] High CVE-2020-6558: Insufficient policy enforcement in iOS.
Reported by Alison Huffman, Microsoft Browser Vulnerability Research on
[$TBD] 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] Medium CVE-2020-6560: Insufficient policy enforcement in
autofill. Reported by Nadja Ungethuem from www.unnex.de on 2020-07-22
[$1000] Medium CVE-2020-6561: Inappropriate implementation in Content
Security Policy. Reported by Rob Wu on 2019-02-16
[$1000] Medium CVE-2020-6562: Insufficient policy enforcement in
Blink. Reported by Masato Kinugawa on 2020-05-27
[$1000] Medium CVE-2020-6563: Insufficient policy enforcement in
intent handling. Reported by Pedro Oliveira on 2020-07-12
[$500] Medium CVE-2020-6564: Incorrect security UI in permissions.
Reported by Khalil Zhani on 2018-05-10
[$500] Medium CVE-2020-6565: Incorrect security UI in Omnibox.
Reported by Khalil Zhani on 2019-12-02
[$N/A] Medium CVE-2020-6566: Insufficient policy enforcement in media.
Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2020-03-27
[$500] Low CVE-2020-6567: Insufficient validation of untrusted input in
command line handling. Reported by Joshua Graham of TSS on 2019-03-01
[$500] Low CVE-2020-6568: Insufficient policy enforcement in intent
handling. Reported by Yongke Wang(@Rudykewang) and Aryb1n(@aryb1n) of Tencent
Security Xuanwu Lab (???????????????????? on 2020-06-08
[$N/A] Low CVE-2020-6569: Integer overflow in WebUSB. Reported by
guaixiaomei on 2019-08-20
[$N/A] Low CVE-2020-6570: Side-channel information leakage in WebRTC.
Reported by Signal/Tenable on 2020-05-19
[$N/A] 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
As usual, our ongoing internal security work was responsible for a wide range
*  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.
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