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ZMCIRT Vulnerability Bulletin
ZMC-2021.09.27.1100
ALERT Google Chrome: Execute arbitrary code/commands - Remote with user interaction
27th Sep 2021
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Product: Google Chrome
Publisher: Google
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-37973
Original Bulletin:
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html
Comment: Google is aware that an exploit for CVE-2021-37973 exists in the wild.
Stable Channel Update for Desktop
Friday, September 24, 2021
The Stable channel has been updated to 94.0.4606.61 for Windows, Mac and Linux
which will roll out over the coming days/weeks
A full list of changes in this build is available in the log. Interested in
switching release channels? Find out how here. 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 1 security fix. Below, we highlight fixes that were
contributed by external researchers. Please see the Chrome Security Page for
more information.
[$NA][1251727] High CVE-2021-37973 : Use after free in Portals. Reported by
Clement Lecigne from Google TAG, with technical assistance from Sergei Glazunov
and Mark Brand from Google Project Zero on 2021-09-21
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.Google is aware that an exploit for CVE-2021-37973 exists in the wild.
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer,
UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.
Interested in switching release channels? Find out how here. 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.
Srinivas Sista
Google Chrome
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in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
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the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. ZMCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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