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Intel® Thunderbolt™ DCH Drivers for Windows Advisory

Intel ID: INTEL-SA-00851
Advisory Category: Software
Impact of vulnerability: Escalation of Privilege, Denial of Service, Information Disclosure
Severity rating: HIGH
Original release: 02/13/2024
Last revised: 02/13/2024
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Summary: 

Potential security vulnerabilities in some Intel® Thunderbolt™ Declarative Componentized Hardware (DCH) drivers for Windows may allow escalation of privilege, denial of service, and/or information disclosure. Intel is releasing software updates to mitigate these potential vulnerabilities.

Vulnerability Details: 

CVEID: CVE-2023-22293

Description: Improper access control in the Intel(R) Thunderbolt(TM) DCH drivers for Windows may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Score: 8.2 High

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H



CVEID: CVE-2023-25777

Description: Improper access control in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Score: 7.9 High

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H



CVEID: CVE-2023-22342

Description: Improper input validation in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Score: 7.7 High

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L



CVEID: CVE-2023-25779

Description: Uncontrolled search path element in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Score: 6.7 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H



CVEID: CVE-2023-24542

Description: Unquoted search path or element in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Score: 6.7 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H



CVEID: CVE-2023-22390

Description: Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 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



CVEID: CVE-2023-24481

Description: Improper access control in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Score: 6.3 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L



CVEID: CVE-2023-24589

Description: Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Base Score: 6.1 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L



CVEID: CVE-2023-22848

Description: Improper access control in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable denial of service via local access.

CVSS Base Score: 5.5 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H



CVEID: CVE-2023-25769

Description: Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable denial of service via local access.

CVSS Base Score: 5.5 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H



CVEID: CVE-2023-26585

Description: Improper access control in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable denial of service via local access.

CVSS Base Score: 5.0 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H



CVEID: CVE-2023-27308

Description: Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Base Score: 4.6 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L



CVEID: CVE-2023-24463

Description: Improper input validation in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an unauthenticated user to potentially enable information disclosure via adjacent access.

CVSS Base Score: 4.3 Medium

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N



CVEID: CVE-2023-27301

Description: Improper access control in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Score: 4.2 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N



CVEID: CVE-2023-27307

Description: Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable information disclosure 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:L/I:N/A:N



CVEID: CVE-2023-27300

Description: Improper buffer restrictions in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable information disclosure 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:L/I:N/A:N



CVEID: CVE-2023-26592

Description: Deserialization of untrusted data in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable a 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-2023-27303

Description: Improper access control in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable information disclosure 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:L/I:N/A:N



CVEID: CVE-2023-26596

Description: Improper access control in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an authenticated user to potentially enable denial of service via local access.

CVSS Base Score: 2.5 Low

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L



CVEID: CVE-2023-26591

Description: Unchecked return value in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an unauthenticated user to potentially enable denial of service via physical access.

CVSS Base Score: 2.0 Low

CVSS Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

 

Affected Products:

Intel® Thunderbolt™ DCH driver for Windows before version 88. 

CVE-2023-22293: All 6th, 7th, 8th, or 9th Generation Intel® Core processor with Intel® Thunderbolt™ DCH driver all versions.

 

Recommendation:

Intel recommends updating Intel® Thunderbolt™ DCH driver to version 88 or later. 

Updates are available for download at this location:

https://www.intel.com/content/www/us/en/secure/design/confidential/software-kits/kit-details.html?kitId=746994&wapkw=746994

 

For CVE-2023-22293: Intel recommends setting the Intel® Thunderbolt™ Security Level to SL3 or SL4 in the system BIOS menu and ensure that BIOS access is password protected.

 

Acknowledgements:

Intel would like to thank Jean-Christophe Delaunay from @Synacktivfor reporting CVE-2023-22293. All other issues were found internally by Intel employees.

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 02/13/2024 Initial Release
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