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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2764 Google Chrome Update 12 August 2020 =========================================================================== 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 Access Confidential Data -- Remote with User Interaction Reduced Security -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-6555 CVE-2020-6554 CVE-2020-6553 CVE-2020-6552 CVE-2020-6551 CVE-2020-6550 CVE-2020-6549 CVE-2020-6548 CVE-2020-6547 CVE-2020-6546 CVE-2020-6545 CVE-2020-6544 CVE-2020-6543 CVE-2020-6542 Original Bulletin: https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html - --------------------------BEGIN INCLUDED TEXT-------------------- Stable Channel Update for Desktop Monday, August 10, 2020 The stable channel has been updated to 84.0.4147.125 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 15 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information. [$10000][1107433] High CVE-2020-6542: Use after free in ANGLE. Reported by Piotr Bania of Cisco Talos on 2020-07-20 [$7500][1104046] High CVE-2020-6543: Use after free in task scheduling. Reported by Looben Yang on 2020-07-10 [$7500][1108497] High CVE-2020-6544: Use after free in media. Reported by Tim Becker of Theori on 2020-07-22 [$5000][1095584] High CVE-2020-6545: Use after free in audio. Reported by Anonymous on 2020-06-16 [$TBD][1100280] High CVE-2020-6546: Inappropriate implementation in installer. Reported by Andrew Hess (any1) on 2020-06-29 [$TBD][1102153] High CVE-2020-6547: Incorrect security UI in media. Reported by David Albert on 2020-07-05 [$TBD][1103827] High CVE-2020-6548: Heap buffer overflow in Skia. Reported by Choongwoo Han, Microsoft Browser Vulnerability Research on 2020-07-09 [$N/A][1105426] High CVE-2020-6549: Use after free in media. Reported by Sergei Glazunov of Google Project Zero on 2020-07-14 [$N/A][1106682] High CVE-2020-6550: Use after free in IndexedDB. Reported by Sergei Glazunov of Google Project Zero on 2020-07-17 [$N/A][1107815] High CVE-2020-6551: Use after free in WebXR. Reported by Sergei Glazunov of Google Project Zero on 2020-07-21 [$TBD][1108518] High CVE-2020-6552: Use after free in Blink. Reported by Tim Becker of Theori on 2020-07-22 [$TBD][1111307] High CVE-2020-6553: Use after free in offline mode. Reported by Alison Huffman, Microsoft Browser Vulnerability Research on 2020-07-30 [$5000][1094235] Medium CVE-2020-6554: Use after free in extensions. Reported by Anonymous on 2020-06-12 [$1000][1105202] Medium CVE-2020-6555: Out of bounds read in WebGL. Reported by Marcin Towalski of Cisco Talos on 2020-07-13 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. As usual, our ongoing internal security work was responsible for a wide range of fixes:[1114335] 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. Google Chrome Prudhvikumar Bommana - --------------------------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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