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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2006
                        Intel NUC Firmware Advisory
                                9 June 2021

===========================================================================

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

Product:           Intel NUC Firmware
Publisher:         Intel
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-0067 CVE-2021-0054 

Original Bulletin: 
   https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00511.html

- --------------------------BEGIN INCLUDED TEXT--------------------

Intel ID:                 INTEL-SA-00511
Advisory Category:        Firmware
Impact of vulnerability : Escalation of Privilege
Severity rating :         HIGH
Original release:         06/08/2021
Last revised:             06/08/2021

Summary:

Potential security vulnerabilities for some Intel NUCs may allow escalation of
privilege. Intel is releasing firmware updates to mitigate these potential
vulnerabilities.

Vulnerability Details:

CVEID: CVE-2021-0067

Description: Improper access control in system firmware for some Intel(R) NUCs
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-2021-0054

Description: Improper buffer restrictions in system firmware for some Intel(R)
NUCs 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

Affected Products:

+-------------------------------------------------------------------+----------------------+
|Product                                                            |BIOS Download link    |
+-------------------------------------------------------------------+----------------------+
|Intel NUC M15 Laptop Kit - LAPBC510, LAPBC710                      |BCTGL357.0051         |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 11 Compute Element CM11EBC4W, CM11EBi38W, CM11EBi58W,    |EBTGL357.0045         |
|CM11EBi716W                                                        |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 11 Performance kit - NUC11PAHi3, NUC11PAHi5, NUC11PAHi7, |PATGL357.0037         |
|NUC11PAKi3, NUC11PAKi5, NUC11PAKi7                                 |                      |
|                                                                   |                      |
|Intel NUC 11 Performance Mini PC - NUC11PAQi50WA, NUC11PAQi70QA    |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 11 Pro Board NUC11TNBi3, NUC11TNBi5, NUC11TNBi7          |TNTGL357.0052         |
|                                                                   |                      |
|Intel NUC 11 Pro Kit NUC11TNHi3, NUC11TNHi30L, NUC11TNHi30P,       |                      |
|NUC11TNHi5, NUC11TNHi50L, NUC11TNHi50W, NUC11TNHi7, NUC11TNHi70L,  |                      |
|NUC11TNHi70Q, NUC11TNKi3, NUC11TNKi5, NUC11TNKi7                   |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 11 Enthusiast Kit - NUC11PHKi7C                          |PHTGL579.0056         |
|                                                                   |                      |
|Intel NUC 11 Enthusiast Mini PC - NUC11PHKi7CAA                    |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 10 Performance kit - NUC10i3FNH, NUC10i3FNHF, NUC10i3FNK,|FNCML.0050            |
|NUC10i5FNH, NUC10i5FNHF, NUC10i5FNHJ, NUC10i5FNK, NUC10i5FNKP,     |                      |
|NUC10i7FNH, NUC10i7FNHC, NUC10i7FNK, NUC10i7FNKP                   |                      |
|                                                                   |                      |
|Intel NUC 10 Performance Mini PC - NUC10i3FNHFA, NUC10i3FNHJA,     |                      |
|NUC10i5FNHCA, NUC10i5FNHJA, NUC10i5FNKPA, NUC10i7FNHAA,            |                      |
|NUC10i7FNHJA, NUC10i7FNKPA                                         |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 9 Pro Compute Element - NUC9V7QNB, NUC9VXQNB             |QNCFLX70.0059         |
|                                                                   |                      |
|Intel NUC 9 Pro Kit - NUC9V7QNX, NUC9VXQNX                         |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 8 Business, a Mini PC with Windows 10 - NUC8i7HNKQC      |HNKBLi70.86A.0065     |
|                                                                   |                      |
|Intel NUC 8 Enthusiast, a Mini PC with Windows 10 - NUC8i7HVKVA,   |                      |
|NUC8i7HVKVAW                                                       |                      |
|                                                                   |                      |
|Intel NUC Kit NUC8i7HNK, NUC8i7HVK                                 |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 8 Rugged Kit NUC8CCHKR                                   |CHAPLCEL.0051         |
|                                                                   |                      |
|Intel NUC Board NUC8CCHB                                           |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 8 Compute Element CM8CCB, CM8i3CB, CM8i5CB, CM8i7CB,     |CBWHL.0092            |
|CM8PCB                                                             |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 8 Pro Board NUC8i3PNB                                    |PNWHL357.0039         |
|                                                                   |                      |
|Intel NUC 8 Pro Kit NUC8i3PNH, NUC8i3PNK                           |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 8 Mainstream-G kit NUC8i5INH, NUC8i7INH                  |INWHL357.0040         |
|                                                                   |                      |
|Intel NUC 8 Mainstream-G mini PC NUC8i5INH, NUC8i7INH              |                      |
+-------------------------------------------------------------------+----------------------+
|Intel NUC 7 Essential, a Mini PC with Windows 10 - NUC7CJYSAL      |JYGLKCPX.86A.0057     |
|                                                                   |                      |
|Intel NUC Kit NUC7CJYH, NUC7PJYH                                   |                      |
+-------------------------------------------------------------------+----------------------+

Recommendations:

Intel recommends updating Intel NUCs listed above to the latest BIOS version
available (see provided table).

Acknowledgements:

Intel would like to thank Dmitry Frolov 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      06/08/2021 Initial Release

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