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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1363 Stable Channel Update for Desktop 21 April 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 Reduced Security -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2021-21226 CVE-2021-21225 CVE-2021-21224 CVE-2021-21223 CVE-2021-21222 Original Bulletin: https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_20.html Comment: Google is aware of reports that exploits for CVE-2021-21224 exist in the wild. - --------------------------BEGIN INCLUDED TEXT-------------------- Stable Channel Update for Desktop Tuesday, April 20, 2021 The Stable channel has been updated to 90.0.4430.85 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 7 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information. [$TBD][1194046] High CVE-2021-21222: Heap buffer overflow in V8. Reported by Guang Gong of Alpha Lab, Qihoo 360 on 2021-03-30 [$TBD][1195308] High CVE-2021-21223: Integer overflow in Mojo. Reported by Guang Gong of Alpha Lab, Qihoo 360 on 2021-04-02 [$TBD][1195777] High CVE-2021-21224: Type Confusion in V8. Reported by Jose Martinez (tr0y4) from VerSprite Inc. on 2021-04-05 [$TBD][1195977] High CVE-2021-21225: Out of bounds memory access in V8. Reported by Brendon Tiszka (@btiszka) supporting the EFF on 2021-04-05 [$TBD][1197904] High CVE-2021-21226: Use after free in navigation. Reported by Brendon Tiszka (@btiszka) supporting the EFF on 2021-04-11 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 exploits for CVE-2021-21224 exist in the wild.As usual, our ongoing internal security work was responsible for a wide range of fixes: o [1200824] 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. Srinivas Sista 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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYH+4OeNLKJtyKPYoAQhLBRAAndi3DTZgkxa2sTaYjoIEHdyUCpRdrCH1 zrC2MLIaQEqLyC2Hny46IA2yT7I29+XphTX5KVBhdBxZTFp+0xe7bfUuvfcKblbA HFyg5JBz8WmivGg2E0D0ddsPthHvoCQtxh0O4Ovl+aFcb1gFZxLgORTdpuPizr36 FzXDp2/Z+eOwqKEEHus/4oCO1xZ+PojC+HV/ri1U61Ol/N82DlDBqwz1OR+XcdhP 0e/wOavyS+kQTvm2ru6zZF6Y6BnOBthvTm0unNMkU09wbYHrwI8fwODWAxMGR7oD GRlBTZ63d/D0ukEyvN7ix1AhBvc32S7Ns8uBNEOZJ+dK5rRuZWbk78rMxxe3SiXX 1j/7unBvpxXV1KMuFfr5G9Ni4M2bR6z5FpThP2/ahJ5Fm1abcXAEJsCLuOo7+MN7 yV8bF6EszX4FGGpCmwFsP1JuZ6arAyy1RUOiOw1Y8YJYLcj41/dyTG8FEo8GpGKJ V+i4IA/E1HXSBjorq6x/vxA1IF26A0TAqeVktWqNwILlpiDZK/sCDHIZ2Q3jRd5M myzdIt5QQ34r3vLLMujlo0fN00FRhtn7CMjVS/PWfsfks7C4uJCp3DRR8QZYsxrX kxBy3E+Ggeh7sitFkDjZxXDBbsO94++ihxjVU8cF27Ygd4zsegbTNtQr85fbsrOe 6sF/wVRQWUg= =nHXk -----END PGP SIGNATURE-----