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Intel® Thunderbolt™ Controller Advisory
| Intel ID: | INTEL-SA-00401 |
|---|---|
| Advisory Category: | Firmware |
| Impact of vulnerability: | Denial of Service |
| Severity rating: | HIGH |
| Original release: | 06/08/2021 |
| Last revised: | 06/08/2021 |
Summary:
Potential security vulnerabilities in some Intel® Thunderbolt™ controllers may allow denial of service. Intel is releasing firmware updates to mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2020-12293
Description: Improper control of a resource through its lifetime in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
CVSS Base Score: 7.3 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
CVEID: CVE-2020-12294
Description: Insufficient control flow management in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
CVSS Base Score: 7.3 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
CVEID: CVE-2020-12295
Description: Improper input validation in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
CVSS Base Score: 7.3 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
CVEID: CVE-2020-12296
Description: Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
CVSS Base Score: 7.3 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
CVEID: CVE-2020-12291
Description: Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service 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:N/I:N/A:H
CVEID: CVE-2020-12292
Description: Improper conditions check in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service 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:N/I:N/A:H
CVEID: CVE-2020-12290
Description: Improper access control in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service 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:N/I:N/A:H
CVEID: CVE-2020-12288
Description: Protection mechanism failure in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
CVSS Base Score: 3.8 Low
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
CVEID: CVE-2020-12289
Description: Out-of-bounds write in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
CVSS Base Score: 3.8 Low
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Affected Products:
Thunderbolt™ 3, 4 Retimer and USB Retimer |
Before Version |
Intel® DSL5520 |
All |
Intel® DSL5320 |
All |
Intel® DSL6340 |
All |
Intel® DSL6540 |
All |
Intel® JHL6540 |
46 |
Intel® JHL6340 |
46 |
Intel® JHL6240 |
21 |
Intel® JHL7540 |
60 |
Intel® JHL7340 |
60 |
Intel® JHL7440 |
60 |
Intel® JHL8040R |
41 |
Intel® JHL8010R |
41 |
Intel® JHL7040 |
22 |
Recommendations:
Intel recommends that users of Intel® Thunderbolt™ controllers update to the latest version provided by the system manufacturer that addresses these issues.
Intel recommends that users of Intel® Thunderbolt™ 3 Controller for the Intel® NUC8ixBE and NUC7ixBN update to 46 or later. Updates are available for download at this location: Intel-NUC8ixBE-and-NUC7ixBN
Intel recommends that users of Intel® Thunderbolt™ 3 Controller for the Intel® NUC10ixFN update to 60 or later. Updates are available for download at this location: Intel-NUC10ixFN
Intel recommends that users of Intel® Thunderbolt™ 3 Controller for the Intel® NUC8vPN update to 60 or later. Updates are available for download at this location: NUC8vPN
Intel recommends that users of Intel® Thunderbolt™ 3 Controller for the Intel® NUC9QN update to 60 or later. Updates are available for download at this location: NUC9QN
Intel recommends that users of Intel® Thunderbolt™ 3 for the Intel® NUC 9 Extreme Laptop Kits update to 60 or later. Updates are available for download at this location: Intel® NUC 9 Extreme Laptop Kits
Intel will not be releasing mitigation for CVEID: CVE-2020-12289 and CVE-2020-12288 for Intel® Thunderbolt™ 3 controllers JHL7540, JHL7340, JHL7440, DSL6340, DSL6540, JHL6240, JHL6540 and JHL6340. To recover from these issues a device power cycle is needed.
Intel has issued Product Discontinuation notices for the Intel® DSL5520 & DSL5320 Thunderbolt™ 2 Controllers and Intel® DSL6340 & DSL6540 Thunderbolt™ 3 Controllers and Intel recommends that users discontinue use at their earliest convenience.
Acknowledgements:
These issues were 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.
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