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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.4090 Stable Channel Update for Desktop 18 November 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Google Chrome Publisher: Google Operating System: Windows UNIX variants (UNIX, Linux, OSX) Impact/Access: Denial of Service -- Remote with User Interaction Provide Misleading Information -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Unauthorised Access -- Remote with User Interaction Reduced Security -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-16036 CVE-2020-16035 CVE-2020-16034 CVE-2020-16033 CVE-2020-16032 CVE-2020-16031 CVE-2020-16030 CVE-2020-16029 CVE-2020-16028 CVE-2020-16027 CVE-2020-16026 CVE-2020-16025 CVE-2020-16024 CVE-2020-16023 CVE-2020-16022 CVE-2020-16021 CVE-2020-16020 CVE-2020-16019 CVE-2020-16018 CVE-2020-16015 CVE-2020-16014 CVE-2020-16012 CVE-2019-8075 Original Bulletin: https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html - --------------------------BEGIN INCLUDED TEXT-------------------- Stable Channel Update for Desktop Tuesday, November 17, 2020 The Chrome team is delighted to announce the promotion of Chrome 87 to the Stable channel for Windows, Mac and Linux. This will roll out over the coming days/weeks. Chrome 87.0.4280.66 contains a number of fixes and improvements -- a list of changes is available in the log. Watch out for upcoming Chrome and Chromium blog posts about new features and big efforts delivered in 87. 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 havent yet fixed. This update includes 33 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information. [$TBD][1136078] High CVE-2020-16018: Use after free in payments. Reported by Man Yue Mo of GitHub Security Lab on 2020-10-07 [$TBD][1139408] High CVE-2020-16019: Inappropriate implementation in filesystem. Reported by Rory McNamara on 2020-10-16 [$TBD][1139411] High CVE-2020-16020: Inappropriate implementation in cryptohome. Reported by Rory McNamara on 2020-10-16 [$TBD][1139414] High CVE-2020-16021: Race in ImageBurner. Reported by Rory McNamara on 2020-10-16 [$TBD][1145680] High CVE-2020-16022: Insufficient policy enforcement in networking. Reported by @SamyKamkar on 2020-11-04 [$TBD][1146673] High CVE-2020-16015: Insufficient data validation in WASM. Reported by Rong Jian and Leecraso of 360 Alpha Lab on 2020-11-07 [$TBD][1146675] High CVE-2020-16014: Use after free in PPAPI. Reported by Rong Jian and Leecraso of 360 Alpha Lab on 2020-11-07 [$TBD][1146761] High CVE-2020-16023: Use after free in WebCodecs. Reported by Brendon Tiszka and David Manouchehri supporting the @eff on 2020-11-07 [$NA][1147430] High CVE-2020-16024: Heap buffer overflow in UI. Reported by Sergei Glazunov of Google Project Zero on 2020-11-10 [$NA][1147431] High CVE-2020-16025: Heap buffer overflow in clipboard. Reported by Sergei Glazunov of Google Project Zero on 2020-11-10 [$7500][1139153] Medium CVE-2020-16026: Use after free in WebRTC. Reported by Jong-Gwon Kim (kkwon) on 2020-10-16 [$5000][1116444] Medium CVE-2020-16027: Insufficient policy enforcement in developer tools. Reported by David Erceg on 2020-08-14 [$5000][1138446] Medium CVE-2020-16028: Heap buffer overflow in WebRTC. Reported by asnine on 2020-10-14 [$3000][1134338] Medium CVE-2020-16029: Inappropriate implementation in PDFium. Reported by Anonymous on 2020-10-01 [$3000][1141350] Medium CVE-2020-16030: Insufficient data validation in Blink. Reported by Michal Bentkowski of Securitum on 2020-10-22 [$1000][945997] Medium CVE-2019-8075: Insufficient data validation in Flash. Reported by Nethanel Gelernter, Cyberpion (https://www.cyberpion.com) on 2019-03-26 [$500][1133183] Medium CVE-2020-16031: Incorrect security UI in tab preview. Reported by wester0x01(https://twitter.com/wester0x01) on 2020-09-29 [$500][1136714] Medium CVE-2020-16032: Incorrect security UI in sharing. Reported by wester0x01(https://twitter.com/wester0x01) on 2020-10-09 [$500][1143057] Medium CVE-2020-16033: Incorrect security UI in WebUSB. Reported by Khalil Zhani on 2020-10-28 [$TBD][1137362] Medium CVE-2020-16034: Inappropriate implementation in WebRTC. Reported by vvmute (Benjamin Petermaier) on 2020-10-12 [$TBD][1139409] Medium CVE-2020-16035: Insufficient data validation in cros-disks. Reported by Rory McNamara on 2020-10-16 [$5000][1088224] Low CVE-2020-16012: Side-channel information leakage in graphics. Reported by Aleksejs Popovs on 2020-05-30 [$500][830808] Low CVE-2020-16036: Inappropriate implementation in cookies. Reported by Jun Kokatsu (@shhnjk) on 2018-04-09 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. As usual, our ongoing internal security work was responsible for a wide range of fixes: [1149434] 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. Lakshmana Pamarthy 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 iQIVAwUBX7S16+NLKJtyKPYoAQiDNg/9ElKohnvmySg7vPHcFjtTZqr19Q9aqZfU 1OFTFLgfSd7gXFgOQ92RdiN8I9SGuFUSs5w5NV6lqRQZ1obZKwYaubBSMYfNUl5J ZQLdk+IEmjJrV5ceLepNvo5jVh33rwAOccnjQzU+SlhWiWxvijIF05/7iT3m2Wi9 5f/RC9CaZ6l+lo8qS7WdlpHG079bDxR+stjuR0J5JR0zhHnbOb3D/YKj4n0CXhL4 +fsmq8feN8WdVar8ZNvNmfQsxo1huQ1qmGVatbdkUmwQhmM1kHil48CWhTJ/NYMM rRBiUK/2R914B5ishq0FY+b+MovEKKFdAKiCg+1eGuqzGnxiw+epsVY9mZH69HYg dPxuc6Odr86mbq1kMgN7HhDhl8lqGZRw8+Lf7VODSKwT/7WEOJ6UblmIU8xNtrtB Ug6j6NIxn80mCGQZRxNzzUKII/8fPcdZlV6ksRYyV1ibuYj+Zg0PgkJp07UvL6np qgs9HKeZ86yNdlrhuVjyIW1gR0Gjk1m7nVW4y4eQblfHhpkQ/dHHhB6E5tLX9CEr g52UtogWrpNXsui8bKFMPochBnSuE4kvFTEQg281cAtdFgjS3HxnaNmoylZ6pmM3 MK4QIyBNQF7VipwReA6mp21x8OYlXF+sp9YPMb0LmbuSSxSs66n755Zhk/B8aTX+ 7FQNz2Hgc+U= =lpgm -----END PGP SIGNATURE-----