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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3371 Intel SGX SDK Advisory 13 October 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Intel SGX SDK Publisher: Intel Operating System: Windows Linux variants Impact/Access: Increased Privileges -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-0186 Original Bulletin: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00548.html - --------------------------BEGIN INCLUDED TEXT-------------------- Intel ID: INTEL-SA-00548 Advisory Category: Software Impact of vulnerability: Escalation of Privilege Severity rating: HIGH Original release: 10/12/2021 Last revised: 10/12/2021 Summary: A potential security vulnerability in Intel Software Guard Extensions (SGX) Software Development Kit (SDK)applications compiled for SGX2-enabled processors may allow escalation of privilege. Intel is releasing software updates to mitigate this potential vulnerability. Vulnerability Details: CVEID: CVE-2021-0186 Description: Improper input validation in the Intel(R) SGX SDK applications compiled for SGX2 enabled processors may allow a privileged user to potentially escalation of privilege via local access. CVSS Base Score: 8.2 High CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Affected Products: Intel SGX SDK for Windows v2.12 and earlier. Intel SGX SDK for Linux v2.13 and earlier. Intel Processors supporting SGX2: Code Name Product Collection Ice Lake Xeon-SP (HCC, XCC) 3rd Gen Intel Xeon Scalable processor family Ice Lake 10th Generation Intel Core Processor Family Gemini Lake Intel Pentium Processor Silver Series, Intel Celeron Processor J Series, Intel Celeron Processor N Series Recommendations: Intel recommends updating the Intel SGX SDK to the versions listed below. Enclaves built with the new Intel SGX SDK version should increment the value of their ISVSVN field. Intel SGX SDK for Windows to version 2.13 or later: https:// registrationcenter.intel.com/en/products/download/3407/ Intel SGX SDK for Linux to version 2.14 or later: https://01.org/ intel-software-guard-extensions/downloads Acknowledgements: Intel would like to thank Jinhua Cui, National University of Defense Technology and National University of Singapore, Shweta Shinde, ETH Zurich , Zhijingcheng Yu, National University of Singapore, and Prateek Saxena, National University of Singapore for reporting this issue. 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 10/12/2021 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. 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