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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0480 Intel SGX Platform Advisory 10 February 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Intel SGX Platform Publisher: Intel Operating System: Network Appliance Impact/Access: Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-24491 Reference: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00455.html - --------------------------BEGIN INCLUDED TEXT-------------------- Intel ID: INTEL-SA-00455 Advisory Category: Firmware Impact of vulnerability : Information Disclosure Severity rating : MEDIUM Original release: 02/09/2021 Last revised: 02/09/2021 Summary: A potential security vulnerability in the Intel Software Guard Extensions (SGX) may allow information disclosure. Intel released firmware updates to mitigate this potential Vulnerability Details: CVEID: CVE-2020-24491 Description: Debug message containing addresses of memory transactions in some Intel(R) 10th Generation Core Processors supporting SGX may allow a privileged user to potentially enable information disclosure via local access. CVSS Base Score: 4.0 Medium CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N Affected Products: Some 10th Generation Intel Core Processors: o Intel Core Processor i7-1060G7, i7-1065G7 o Intel Core Processor i5-1030G4, i5-1030G7, i5-1035G1, i5-1035G4, i5-1035G7 o Intel Core Processor i3-1000G1, i3-1000G4, i3-1005G1 Recommendations: Intel recommends that users of Intel server products listed above update to the latest firmware version provided by the system manufacturer that addresses these issues. Microcode updates for Linux users are available here: https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files Acknowledgements: This issue was found internally by Intel. 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 02/09/2021 Initial Release - --------------------------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: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYCOR4eNLKJtyKPYoAQhyvBAAsDKTPli8eJZftfZWDM5up2BQAtinDNKh KxhtO/HL1QcfjhaeKVVax2kk23CaQHH82POTjHgfYUaFgquA0MkN4D7GbMxmLyOz U+jYpxEko9NgZQnHAMS8wjlY8lGFUkxmgnc+WL5B/v3OJyGcy5rg/5CFvZDSs4eX vljJk64YNVYFFrUt0EU4Vk+FgTKMDlVBA6lReYKGzwZWFFkU6+Ci5uYIf6LPrinM gApCV1236sIOJpF6XxNGG3oh1e/JLR9sc4ZN1MMfiZl7wEUoIW6xptzHJcdfzSXD pHfJjL3o1Q37dmUU7rK8QQ1IC+e5De0yBj91yHdFncZU2oHJvOdJui8j4xvBFZo5 yUnqxHsd5NC5waY7KmP8Juf7oGyPLKEgtNKyVovtvOpZCETsqqBxCjOJs3SPd7ny fDlIKile8byM1SpkVw3JLdUcH9S/MAo/0QxTi4c0oAYyh2Z4mO3jQo7RFd2xCCsu nDSZGRImoU/RRfbktuL4ZfqEk4XHk/nxsu7lotgcE9JMCMQIw+HN6tRroK8QWplv udfJ2CHAkVyjPlrzoMzptmYhAymHY8arSyL5x3p6pBbE1R3G2t3VErJwVEZm9stm 7AgFcSkezZLctzx+tKoUn3es6lh58EsGokObrHyiJnbgkT4L5qiqsrtKfPzGqf7t 2IiWyBS9S8Y= =Bjc0 -----END PGP SIGNATURE-----