Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2010 Intel Processor Advisory 9 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Intel Processor Publisher: Intel Operating System: Linux variants Impact/Access: Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-24512 CVE-2020-24511 Original Bulletin: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00464.html - --------------------------BEGIN INCLUDED TEXT-------------------- Intel ID: INTEL-SA-00464 Advisory Category: Firmware Impact of vulnerability : Information Disclosure Severity rating : MEDIUM Original release: 06/08/2021 Last revised: 06/08/2021 Summary: Potential security vulnerabilities in some Intel Processors may allow information disclosure. Intel is releasing firmware updates to mitigate these potential vulnerabilities. Vulnerability Details: CVEID: CVE-2020-24511 Description: Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. CVSS Base Score: 5.6 Medium CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVEID: CVE-2020-24512 Description: Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. CVSS Base Score: 2.8 Low CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N Affected Products: A list of impacted products can be found here . Recommendations: Intel recommends that users of affected Intel Processors update to the latest version firmware provided by the system manufacturer that addresses these issues. Intel has released microcode updates for the affected Intel Processors that are currently supported on the public github repository. Please see details below on access to the microcode: GitHub*: Public Github: https://github.com/intel/ Intel-Linux-Processor-Microcode-Data-Files Acknowledgements: Intel would like to thank Travis Downs for reporting the issue CVE-2020-24512 . Intel would like to thank Joseph Nuzman for reporting the issue CVE-2020-24511 . 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 06/08/2021 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. 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 iQIVAwUBYMA2z+NLKJtyKPYoAQiQAhAArE5zvJdqyq/OLvXKmbvxcI7t1s3hIjVT 9C16pYJSCh8Es/hbwXnJmQVEU4PQ6ARlP5XGRl8+LPYwJ6csn7hrPwf0MyteaiCu gOwunjQAd6fj/knFFj14grL4JyRwJS62DllLl0gTY53rf60owGQEB1JDn/DduNOK ii+Jm2hY9flfWolG3DuOFkU/+phvcZczhH3K75ui/j5iBqOGNChoRMk0OZaoBdJW c6eQdTpA9R6B6gPmaxWpNeUKxDdP5LeCGXZwZdt6KX5yFuW+MRxMfubMvedG6chc h0k8Hhd2X0WPRXMP28I3riwNNqQloJ23xq8KfQ6dxiBLPr8woVYYHuS+eHvRTBxF tYxtn7vufLdEGr88kbcBO784FDz/ceo3lTT2s9CV6Mhz4ReNuhZ4PDwsQll6Hxru aKubCg6RLsjFyLmrgrtm3QPEmYUY+kvvn0fjaM3u6n0ISDn8fQyUkQO427E3ZPpw j5vCLLxhTpUXDFFfb6aaJV8teUlUdnLijYp8OR19M5I1QL+JMmdHiBR8psZEPadN Ns2QWuRB3g4FXg+bxgSWUA47b8jFiyiBF5R9QtTFVcC810tvDOZ495VEGwq67L7+ QTL4LzJnH3WTqwJ9wG7UWW+g5vswc1dxPd7BCap6vVXlun4Uppo9+PuQfrvKuyrg qmJMWCpvmcE= =Uj0P -----END PGP SIGNATURE-----