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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0906 Google Chrome Stable Channel Update 15 March 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Google Chrome Publisher: Google 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 Resolution: Patch/Upgrade CVE Names: CVE-2021-21193 CVE-2021-21192 CVE-2021-21191 Original Bulletin: https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html Comment: Google reports that an exploit for CVE-2021-21193 exists in the wild. - --------------------------BEGIN INCLUDED TEXT-------------------- Stable Channel Update for Desktop Friday, March 12, 2021 The Stable channel has been updated to 89.0.4389.90 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 5 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information. [$500][1167357] High CVE-2021-21191: Use after free in WebRTC. Reported by raven (@raid_akame) on 2021-01-15 [$TBD][1181387] High CVE-2021-21192: Heap buffer overflow in tab groups. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability Research on 2021-02-23 [$TBD][1186287] High CVE-2021-21193: Use after free in Blink. Reported by Anonymous on 2021-03-09 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 of reports that an exploit for CVE-2021-21193 exists in the wild. As usual, our ongoing internal security work was responsible for a wide range of fixes:[1187298] 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. Prudhvikumar Bommana Google Chrome - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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