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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3723 Crypto API Toolkit for Intel SGX Advisory 10 November 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Crypto API Toolkit Publisher: Intel Operating System: Linux variants Impact/Access: Increased Privileges -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-33097 Original Bulletin: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00565.html - --------------------------BEGIN INCLUDED TEXT-------------------- Intel ID: INTEL-SA-00565 Advisory Category: Software Impact of vulnerability : Escalation of Privilege Severity rating : MEDIUM Original release: 11/09/2021 Last revised: 11/09/2021 Summary: A potential security vulnerability in the Crypto API Toolkit for Intel SGX may allow escalation of privilege. Intel is releasing software updates to mitigate this potential vulnerability. Vulnerability Details: CVEID: CVE-2021-33097 Description: Time-of-check time-of-use vulnerability in the Crypto API Toolkit for Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via network access. CVSS Base Score: 6.8 Medium CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N Affected Products: Crypto API Toolkit for Intel(R) SGX downloaded before Aug 2, 2021. Recommendations: Intel recommends updating to the latest version of the Crypto API Toolkit for Intel(R) SGX available at Crypto API Toolkit for Intel(R) SGX . Acknowledgements: Intel would like to thank the researchers listed below for reporting this issue: . David Oswald & Jesse Spielman - University of Birmingham, UK . Fritz Alder, Jo Van Bulck & Frank Piessens - imec-DistriNet, KU Leuven, Belgium 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 11/09/2021 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. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. 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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). 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