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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0291.2 Intel Processors Data Leakage Advisory 18 June 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Intel processors Publisher: Intel Operating System: Windows UNIX variants (UNIX, Linux, OSX) Impact/Access: Access Privileged Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-0549 CVE-2020-0548 Original Bulletin: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00329.html Revision History: June 18 2020: Vendor updated recommendations in advisory January 28 2020: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- Intel ID: INTEL-SA-00329 Advisory Category: Hardware Impact of vulnerability: Information Disclosure Severity rating: MEDIUM Original release: 01/27/2020 Last revised: 06/09/2020 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-2020-0548 Description: Cleanup errors 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 CVEID: CVE-2020-0549 Description: Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. CVSS Base Score: 6.5 Medium CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Affected Products: A list of impacted products can be found here. Recommendations: Intel recommends that users of affected Intel Processorsupdate 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 GitHub* Access: GitHub* MCU Repository training is available on RDC at this location: https:// cdrdv2.intel.com/v1/dl/getContent/607131 To obtain access to Intel s GitHub* OTCShare: 1) Create a GitHub* account at https://github.com . Your account must include your company email address as your primary email address. 2) Email your request to mcu_administrator@intel.com with the following information: a. Name b. Email address c. Company name d. Github user ID 3) Requests typically take 1-2 business days to process. An invitation to the OTCShare organization will be emailed to the primary email address registered with your GitHub account. Alternately, you may accept the invitation here: https://github.com/otcshare . 4) After you have accepted the OTCShare invite, you will be added to the MCU repository within 1-2 business days. Additional technical details about these vulnerabilities can be found at: https://software.intel.com/security-software-guidance/software-guidance/ l1d-eviction-sampling https://software.intel.com/security-software-guidance/software-guidance/ vector-register-sampling Acknowledgements: Intel would like to thank the following individuals for finding, reporting and coordinating these vulnerabilities to us. Intel thanks TU Graz and KU Leuven for disclosure of CVE-2020-0549 . Graz University of Technology: Moritz Lipp, Michael Schwarz, Daniel Gruss. KU Leuven: Jo Van Bulck. Intel thanks VU Amsterdam, for disclosure of CVE-2020-0548 and CVE-2020-0549 . VUSec group at VU Amsterdam: Stephan van Schaik, Alyssa Milburn, Sebastian A sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida. Researchers from TU Graz and Ku Leuven provided Intel with a Proof of Concept (POC) in May 2019 and researchers from VU Amsterdam provided Proof of Concept (POC) in October 2019. Intel subsequently confirmed each submission demonstrates CVE-2020-0549 individually. Revision History Revision Date Description 1.0 01/27/2020 Initial Release 1.1 06/09/2020 Updated Recomendations - --------------------------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. 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