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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.2569.2 2023.2 IPU - BIOS Advisory 10 July 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IPU - BIOS Publisher: Intel Operating System: Windows UNIX variants (UNIX, Linux, OSX) Mobile Device Resolution: Patch/Upgrade CVE Names: CVE-2022-38087 CVE-2022-33894 Original Bulletin: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00807.html Revision History: July 10 2023: Vendor updated recommendations May 10 2023: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- Intel ID: INTEL-SA-00807 Advisory Category: Firmware Impact of vulnerability : Escalation of Privilege, Information Disclosure Severity rating : HIGH Original release: 05/09/2023 Last revised: 07/07/2023 View all Show less Summary: Potential security vulnerabilities in BIOS firmware for some Intel Processors may allow escalation of privilege and information disclosure. Intel is releasing firmware updates to mitigate these potential vulnerabilities. Vulnerability Details: CVEID: CVE-2022-33894 Description: Improper input validation in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access. CVSS Base Score: 7.5 High CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVEID: CVE-2022-38087 Description: Exposure of resource to wrong sphere in BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access. CVSS Base Score: 4.1 Medium CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N Affected Products: CVE-2022-33894 : +----------------------------------------------------+-----------+----------+------------+ |Product Collection |Vertical |CPU ID |Platform ID | | |Segment | | | +----------------------------------------------------+-----------+----------+------------+ | | |906EA | | | | | | | |8th Generation Intel Core Processor Family |Mobile |906EB | | | | | |22 | |9th Generation Intel Core Processor Family |Desktop |906EC | | | | | | | | | |906ED | | +----------------------------------------------------+-----------+----------+------------+ | |Server, |906EA | | |Intel Xeon Processor E Family |Workstation| |22 | | | |906ED | | +----------------------------------------------------+-----------+----------+------------+ |8th Generation Intel Core Processor Family |Mobile |806EA |C0 | +----------------------------------------------------+-----------+----------+------------+ | |Mobile, |806EC |D0 | |8th Generation Intel Core Processors |Embedded | | | | | |806EB |94 | +----------------------------------------------------+-----------+----------+------------+ |7th Generation Intel Core Processor Family |Desktop |906E9 |2A | +----------------------------------------------------+-----------+----------+------------+ | | |806E9 | | |7th Generation Intel Core Processor Family |Mobile | |C0 | | | |806EA | | +----------------------------------------------------+-----------+----------+------------+ |8th Generation Intel Core Processor Family | |806E9 |10 | |10th Generation Intel Core Processor Family |Mobile | | | | | |806EC |94 | +----------------------------------------------------+-----------+----------+------------+ | | |A0652 |20 | | | | | | | | |A0653 |01 | | | | | | | |Mobile |A0655 |22 | |10th Generation Intel Core Processor Family | | | | | |Desktop |A0660 |80 | | | | | | | | |A0661 |80 | | | | | | | | |806EC |07 | +----------------------------------------------------+-----------+----------+------------+ CVE-2022-38087 : +----------------------------------------------------+-----------+----------+------------+ |Product Collection |Vertical |CPU ID |Platform ID | | |Segment | | | +----------------------------------------------------+-----------+----------+------------+ |8th Generation Intel Core Processor Family | |806E9 |10 | | |Mobile | |94 | |10th Generation Intel Core Processor Family | |806EC | | +----------------------------------------------------+-----------+----------+------------+ |8th Generation Intel Core Processor Family |Mobile |806EA |C0 | +----------------------------------------------------+-----------+----------+------------+ |7th Generation Intel Core Processor Family |Mobile |806E9 |C0 | +----------------------------------------------------+-----------+----------+------------+ | | |906EA | | | | | | | |8th Generation Intel Core Processor Family |Mobile |906EB | | | |Desktop | |22 | |9th Generation Intel Core Processor Family | |906EC | | | | | | | | | |906ED | | +----------------------------------------------------+-----------+----------+------------+ | |Desktop, |906EA | | |Intel Xeon E Processor Family |Server, | |22 | | |Workstation|906ED | | +----------------------------------------------------+-----------+----------+------------+ |Intel Xeon E processor Family |Server |906E9 |2A | |7th Generation Intel Core Processor Family |Desktop | | | +----------------------------------------------------+-----------+----------+------------+ |Intel Xeon Scalable Processor Family |Server |50654 |B7 | +----------------------------------------------------+-----------+----------+------------+ |8th Generation Intel Core Processors |Mobile |806EB |D0 | | | |806EC |94 | +----------------------------------------------------+-----------+----------+------------+ |Intel Xeon Platinum P-8124, P-8136 processors, |Server |50653 |97 | |Intel Xeon Scalable processor Family | |50654 |B7 | +----------------------------------------------------+-----------+----------+------------+ |Intel Xeon D Processor Family, |Server, |50654 |B7 | |Intel Xeon W Processor Family |Desktop | | | +----------------------------------------------------+-----------+----------+------------+ Recommendations: Intel recommends that users of listed Intel Processors update to the latest versions provided by the system manufacturer that addresses these issues. Acknowledgements: Intel would like to thank Yngweijw (Jiawei Yin) (CVE-2022-33894) and the Binarly efiXplorer team (CVE-2022-38087) for reporting these issues. Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available. Revision History Revision Date Description 1.0 05/09/2023 Initial Release 1.1 07/07/2023 Updated Recommendations - --------------------------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. 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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: https://auscert.org.au/gpg-key/ iQIVAwUBZKuCjMkNZI30y1K9AQjSMw/8DEPv0GjTcEcp8w++vvqBqrFvA8+YpBQt POuN7+s5dFzeKgHUULTLQ6I4SUWbh09Jz5mcbZOjEOykZoLjd2PkUWtfDFu6b6Y+ 4b0iHVNmuV6+FdC3IdPyyja8AN1ZubaZ1CieM8SfdOVMk1vpMWf9aH6UHriqh3qN L/3YIY6BfxAcorBC6hUKapAqZCPcVWEbAOAXYKoAOMjvSJ+eu4epV3r0JUi8EsRl CIDfn2wjaiepKkCJZRqt3aaf541FJQMzX515/7l5FXJAKUeJNG5gDbP+vWgAUUf/ bxZonu/TGoNxmOuzQ47Sb/81WS0huD6GRgDTjvsqnEQylv/X8lpsNAC6wS1tBcv2 CiGA/g08MGJF5vQg/nF5Hu6jpw7nd4ty/VlVEMr64xtLkQD3XgbYGK4+jfzPbWCi 5akpRCvVuTiXADLeEluAAqM6Ctin2JSyXEcyz+RMXDAxlwV1wXu735cKzLE56NyG edxC3daelFo6RkQ5JgpDXxEekEFaHsmvop+YqixHEbXJoASPhPqgZBKiAldEKFxf ZEqq1iSXOhNXeQxGjlKYuapcBvEsa7YNB4fddWwk5z3fAqFbYIoVJ7xex3rX3L4e g6O2OfWPb01EsY5jC/ub7H9FnnvmZaeeRvAyf+/YC2tPX8oNHwgtZvIQrY1ToGRq IDaeAeoeTRQ= =SaFD -----END PGP SIGNATURE-----