Intel NUC 9 Extreme Laptop Kit LAN Driver: Increased Privileges -- Existing Account

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2005
            Intel NUC 9 Extreme Laptop Kit LAN Driver Advisory
                                9 June 2021

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Intel NUC 9 Extreme Laptop Kit LAN Driver
Publisher:         Intel
Operating System:  Windows
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-0055  

Original Bulletin: 
   https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00505.html

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Intel ID:                 INTEL-SA-00505
Advisory Category:        Software
Impact of vulnerability : Escalation of Privilege
Severity rating :         MEDIUM
Original release:         06/08/2021
Last revised:             06/08/2021

Summary:

A potential security vulnerability in some Intel NUC 9 Extreme Laptop Kit LAN
Drivers may allow escalation of privilege. Intel is releasing software updates
to mitigate this potential vulnerability.

Vulnerability Details:

CVEID: CVE-2021-0055

Description: Insecure inherited permissions for some Intel(R) NUC 9 Extreme
Laptop Kit LAN Drivers before version 10.42 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

Affected Products:

Intel NUC 9 Extreme Laptop Kit - LAPQC71A

Intel NUC 9 Extreme Laptop Kit - LAPQC71B

Intel NUC 9 Extreme Laptop Kit - LAPQC71C

Intel NUC 9 Extreme Laptop Kit - LAPQC71D

Recommendations:

Intel recommends updating the Intel NUC 9 Extreme Laptop Kit LAN Drivers to
version 10.45 or later.

Updates are available for download at this location: https://
downloadcenter.intel.com/download/29840/
Realtek-LAN-Connection-Driver-for-Intel-NUC-9-Extreme-Laptop-Kits?product=98414

Acknowledgements:

Intel would like to thank Eran Shimony for reporting this issue.

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      06/08/2021 Initial Release

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