=========================================================================== ZMCIRT Vulnerability Bulletin ZMC-2021.09.27.1100 ALERT Google Chrome: Execute arbitrary code/commands - Remote with user interaction 27th Sep 2021 =========================================================================== 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 ZMCIRT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. The decision to follow or act on information or advice contained in this security bulletin is 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. =========================================================================== Internet Email: report@cirt.zm Telephone: 7070 ZMCIRT personnel answer during Zambian business hours which are 8am to 5pm. On call after hours for member emergencies only. ===========================================================================
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