CVE-2022-34488: INTEL-SA-00712

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Intel® NUC Laptop Kit Advisory

**Summary: **

Potential security vulnerabilities in some Intel® NUC Laptop Kits may allow escalation of privilege. Intel is releasing firmware updates to mitigate these potential vulnerabilities.

Vulnerability Details:

CVEID: CVE-2022-28858

Description: Improper buffer restriction in the firmware for some Intel® NUC Laptop Kits before version BC0076 may allow a privileged 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:H/UI:N/S:C/C:H/I:H/A:H

CVEID: CVE-2022-33209

Description: Improper input validation in the firmware for some Intel® NUC Laptop Kits before version BC0076 may allow a privileged 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:H/UI:N/S:C/C:H/I:H/A:H

CVEID: CVE-2022-27493

Description: Improper initialization in the firmware for some Intel® NUC Laptop Kits before version BC0076 may allow a privileged user to potentially enable an escalation of privilege via local access.

CVSS Base Score: 7.5 High

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

CVEID: CVE-2022-34488

Description: Improper buffer restrictions in the firmware for some Intel® NUC Laptop Kits before version BC0076 may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Base Score: 7.5 High

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

CVEID: CVE-2022-32579

Description: Improper initialization in the firmware for some Intel® NUC Laptop Kits before version BC0076 may allow a privileged user to potentially enable escalation of privilege via physical access.

CVSS Base Score: 6.9 Medium

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

CVEID: CVE-2022-34345

Description: Improper input validation in the firmware for some Intel® NUC Laptop Kits before version BC0076 may allow a privileged user to potentially enable escalation of privilege via physical access.

CVSS Base Score: 6.9 Medium

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

Affected Products:

Intel® NUC M15 Laptop Kit: LAPBC510, LAPBC710 before version BC0076.

Recommendations:

Intel recommends updating the Intel® NUCs listed above to version BC0076 or later.

Updates are available for download at this location: https://www.intel.com/content/www/us/en/download/19683/bios-update-for-the-intel-nuc-m15-laptop-kit-lapbcx10-bctgl357.html

Acknowledgements:

Intel would like to thank the Binarly efiXplorer team for reporting these issues.

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

08/09/2022

Initial Release

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