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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1045 Safari 13.1 security update for macOS 25 March 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Safari Publisher: Apple Operating System: Mac OS Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Cross-site Scripting -- Remote with User Interaction Denial of Service -- Remote with User Interaction Unauthorised Access -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-9784 CVE-2020-9783 CVE-2020-3902 CVE-2020-3901 CVE-2020-3900 CVE-2020-3899 CVE-2020-3897 CVE-2020-3895 CVE-2020-3894 CVE-2020-3887 CVE-2020-3885 Reference: ESB-2020.1041 ESB-2020.1042 Original Bulletin: https://support.apple.com/en-au/HT210922 - --------------------------BEGIN INCLUDED TEXT-------------------- APPLE-SA-2020-03-24-5 Safari 13.1 Safari 13.1 is now available and addresses the following: Safari Downloads Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: A malicious iframe may use another website's download settings Description: A logic issue was addressed with improved restrictions. CVE-2020-9784: Ruilin Yang of Tencent Security Xuanwu Lab, Ryan Pickren (ryanpickren.com) WebKit Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A type confusion issue was addressed with improved memory handling. CVE-2020-3901: Benjamin Randazzo (@____benjamin) WebKit Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: A download's origin may be incorrectly associated Description: A logic issue was addressed with improved restrictions. CVE-2020-3887: Ryan Pickren (ryanpickren.com) WebKit Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved memory handling. CVE-2020-3895: grigoritchy CVE-2020-3900: Dongzhuo Zhao working with ADLab of Venustech WebKit Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: An application may be able to read restricted memory Description: A race condition was addressed with additional validation. CVE-2020-3894: Sergei Glazunov of Google Project Zero WebKit Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: Processing maliciously crafted web content may lead to code execution Description: A use after free issue was addressed with improved memory management. CVE-2020-9783: Apple WebKit Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: A remote attacker may be able to cause arbitrary code execution Description: A type confusion issue was addressed with improved memory handling. CVE-2020-3897: Brendan Draper (@6r3nd4n) working with Trend Micro's Zero Day Initiative WebKit Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: A remote attacker may be able to cause arbitrary code execution Description: A memory consumption issue was addressed with improved memory handling. CVE-2020-3899: found by OSS-Fuzz WebKit Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: Processing maliciously crafted web content may lead to a cross site scripting attack Description: An input validation issue was addressed with improved input validation. CVE-2020-3902: Yigit Can YILMAZ (@yilmazcanyigit) WebKit Page Loading Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina Impact: A file URL may be incorrectly processed Description: A logic issue was addressed with improved restrictions. CVE-2020-3885: Ryan Pickren (ryanpickren.com) Additional recognition Safari We would like to acknowledge Dlive of Tencent Security Xuanwu Lab, Jacek Kolodziej of Procter & Gamble, and Justin Taft of One Up Security, LLC for their assistance. Safari Extensions We would like to acknowledge Jeff Johnson of underpassapp.com for their assistance. Safari Reader We would like to acknowledge Nikhil Mittal (@c0d3G33k) of Payatu Labs (payatu.com) for their assistance. WebKit We would like to acknowledge Emilio Cobos Ãlvarez of Mozilla, Samuel Gross of Google Project Zero, and an anonymous researcher for their assistance. Installation note: Safari 13.1 may be obtained from the Mac App Store. - --------------------------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 iQIVAwUBXnqvGGaOgq3Tt24GAQgrrBAAp++7ZmMATxIxW9MDd9oP1eL+wTPPtsnZ y/P8T+CUyP/BD2wYQdNncSYWFf/shcyvIoAqIDwhvsWDXszzaQ2fq+rV7gxLqowL +wtZ4163t6EWOfYw0IUmCfbXj762oG3MqwKgPCux0u5ZVSpetDDTWq8q9rFtFZ41 nKOY88i6eoLNH2UvTC29yuhFbgC5gOujXVpsCsYScaSOsFIysBaIJydgDadPNMgR L5LmABGCLSrnrcQJV1PFmmyZHoXwjRhw+uHrWdVL6L+UBJJ6sI/krIcr/CAnX4pD yvzDGRv7uJolo/xliKf30eSAkq37HNHfKogddYJtBamx2TRUMa601nEm4lXuHkXx 67WrB79CUuvC0q+jIIZZ2JyPqb4N0gdnNj6cPJ8iW8nX7gtfLtYUUOpMMTApco47 UbtnwyTQbJ4kUcc6GyYI3eWOrLOIF+IDO5k88CmJZqit3W/Ta5BrkbXnjU/5eVr9 MdgDc8BkPUwrEhY/UbLYcSOUKyhqOLV7897gyWBFHQ4hjzISI1x3Ti4u9bY/FcI6 FvrbYQZ2xKiqUswBxUax6cVv7UnC4WYZJ1cOp1gSdui+haWVOu+5M0FaWcmuJcJG 5m5a168L4kVzhu6j9sVcRIeUF/LhXUW9UOjyJswKUiyFQL0ipCaL7TpDZKVcsc2q m0O27wFZ5LU= =bMl6 -----END PGP SIGNATURE-----