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AUSCERT External Security Bulletin Redistribution
ESB-2020.2568
Google Chrome 84.0.4147.105 includes security fixes
28 July 2020
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AusCERT Security Bulletin Summary
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Product: Google Chrome
Publisher: Google
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Unknown/Unspecified
Access Confidential Data -- Unknown/Unspecified
Reduced Security -- Unknown/Unspecified
Resolution: Patch/Upgrade
CVE Names: CVE-2020-6541 CVE-2020-6540 CVE-2020-6539
CVE-2020-6538 CVE-2020-6537 CVE-2020-6532
Original Bulletin:
https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop_27.html
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Chrome Releases
Release updates from the Chrome team
Stable Channel Update for Desktop
Monday, July 27, 2020
The stable channel has been updated to 84.0.4147.105 for Windows, Mac, and
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 8 security fixes. Below, we highlight fixes that were
contributed by external researchers. Please see the Chrome Security Page for
more information.
[$10000][1105318] High CVE-2020-6537: Type Confusion in V8. Reported by
Alphalaab on 2020-07-14
[$N/A][1096677] High CVE-2020-6538: Inappropriate implementation in WebView.
Reported by Yongke Wang(@Rudykewang) and Aryb1n(@aryb1n) of Tencent Security
Xuanwu Lab on 2020-06-18
[$TBD][1104061] High CVE-2020-6532: Use after free in SCTP. Reported by
Anonymous on 2020-07-09
[$N/A][1105635] High CVE-2020-6539: Use after free in CSS. Reported by Oriol
Brufau on 2020-07-14
[$TBD][1105720] High CVE-2020-6540: Heap buffer overflow in Skia. Reported by
Zhen Zhou of NSFOCUS Security Team on 2020-07-15
[$N/A][1106773] High CVE-2020-6541: Use after free in WebUSB. Reported by
Sergei Glazunov of Google Project Zero on 2020-07-17
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:
[1109361] 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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
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Internet Email: auscert@auscert.org.au
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