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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3740 Intel Thunderbolt DCH Driver for Windows Advisory 10 November 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Intel Thunderbolt Declarative Componentized Hardware (DCH) Drivers Publisher: Intel Operating System: Windows Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-0110 Original Bulletin: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00533.html - --------------------------BEGIN INCLUDED TEXT-------------------- Intel ID: INTEL-SA-00533 Advisory Category: Firmware Impact of vulnerability : Denial of Service Severity rating : MEDIUM Original release: 11/09/2021 Last revised: 11/09/2021 Summary: A potential security vulnerability in some Intel Thunderbolt Declarative Componentized Hardware (DCH) Drivers for Windows may allow denial of service. Intel is releasing software updates to mitigate this potential vulnerability. Vulnerability Details: CVEID: CVE-2021-0110 Description: Improper access control in some Intel(R) Thunderbolt(TM) Windows DCH Drivers before version 1.41.1054.0 may allow unauthenticated user to potentially enable denial of service via local access. CVSS Base Score: 6.2 Medium CVSS Vector: 3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected Products: Intel Thunderbolt 3 and 4 Windows DCH Drivers before version 1.41.1054.0 for: . Intel JHL6540 & JHL6340 & JHL6240 . Intel JHL7540 & JHL7440 & JHL7340 . Intel JHL8540 & JHL8440 . Intel 10 ^ th Gen & Intel 11 ^ th Gen Core Processors with Thunderbolt Technology Recommendations: Intel recommends updating Intel Thunderbolt DCH Drivers for Windows to version 1.41.1094 or later. Updates are available for download at this location: https://www.intel.com/content/www/us/en/search.html?ws=recent#q=596793 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 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. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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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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