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AUSCERT External Security Bulletin Redistribution
ESB-2020.3233
Stable Channel Update Chrome for Desktop
22 September 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: Modify Arbitrary Files -- 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-2020-15966 CVE-2020-15965 CVE-2020-15964
CVE-2020-15963 CVE-2020-15962 CVE-2020-15961
CVE-2020-15960
Original Bulletin:
https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.html
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Stable Channel Update for Desktop
Posted: 21 Sep 2020 01:09 PM PDT
The stable channel has been updated to 85.0.4183.121 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 10 security fixes. Below, we highlight fixes that were
contributed by external researchers. Please see the Chrome Security Page
for more information.
[$15000][1100136] High CVE-2020-15960:
Out of bounds read in storage. Reported by Anonymous on 2020-06-28
[$15000][1114636] High CVE-2020-15961:
Insufficient policy enforcement in extensions. Reported by David Erceg on 2020-08-10
[$10000][1121836] High CVE-2020-15962:
Insufficient policy enforcement in serial. Reported by Leecraso and Guang Gong of 360 Alpha Lab
working with 360 BugCloud on 2020-08-26
[$5000][1113558] High CVE-2020-15963:
Insufficient policy enforcement in extensions. Reported by David Erceg on 2020-08-06
[$TBD][1126249] High CVE-2020-15965:
Out of bounds write in V8. Reported by Lucas Pinheiro, Microsoft Browser Vulnerability
Research on 2020-09-08
[$TBD][1113565] Medium CVE-2020-15966:
Insufficient policy enforcement in extensions. Reported by David Erceg on 2020-08-06
[$TBD][1121414] Low CVE-2020-15964:
Insufficient data validation in media. Reported by Woojin Oh(@pwn_expoit) of
STEALIEN on 2020-08-25
As usual, our ongoing internal security work was responsible for a wide
range of fixes:
[1130676] Various fixes from internal audits, fuzzing and other initiatives
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.
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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The University of Queensland
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Internet Email: auscert@auscert.org.au
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