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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.5804.2 Intel NUC Firmware Advisory 17 February 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Intel NUC BIOS firmware Publisher: Intel Operating System: Windows UNIX variants (UNIX, Linux, OSX) Resolution: Patch/Upgrade CVE Names: CVE-2022-38099 CVE-2022-37345 CVE-2022-37334 CVE-2022-36789 CVE-2022-36370 CVE-2022-36349 CVE-2022-35276 CVE-2022-34152 CVE-2022-33176 CVE-2022-32569 CVE-2022-26124 CVE-2022-21794 CVE-2021-33164 Original Bulletin: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.html Comment: CVSS (Max): 8.2 CVE-2022-33164 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H) CVSS Source: Intel Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Revision History: February 17 2023: Updated affected product list with mitigation details for CVE-2022-38099. November 11 2022: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- Intel ID: INTEL-SA-00752 Advisory Category: Firmware Impact of vulnerability : Escalation of Privilege, Denial of Service Severity rating : HIGH Original release: 11/08/2022 Last revised: 02/17/2023 View all Show less Summary: Potential security vulnerabilities in some Intel NUC BIOS firmware may allow escalation of privilege or denial of service. Intel is releasing firmware updates to mitigate these potential vulnerabilities. Vulnerability Details: CVEID: CVE-2021-33164 Description: Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 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-2022-33176 Description: Improper input validation in BIOS firmware for some Intel(R) NUC 11 Performance kits and Intel(R) NUC 11 Performance Mini PCs before version PATGL357.0042 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-2022-37345 Description: Improper authentication in BIOS firmware for some Intel(R) NUC Kits before version RY0386 may allow an authenticated user to potentially enable escalation of privilege via local access. CVSS Base Score: 7.8 High CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVEID: CVE-2022-21794 Description: Improper authentication in BIOS firmware for some Intel(R) NUC Boards, Intel(R) NUC Business, Intel(R) NUC Enthusiast, Intel(R) NUC Kits before version HN0067 may allow a privileged user to potentially enable escalation of privilege via local access. CVSS Base Score: 7.7 High CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H CVEID: CVE-2022-34152 Description: Improper input validation in BIOS firmware for some Intel(R) NUC Boards, Intel(R) NUC Kits before version TY0070 may allow a privileged user to potentially enable escalation of privilege via local access. CVSS Base Score: 7.7 High CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H CVEID: CVE-2022-32569 Description: Improper buffer restrictions in BIOS firmware for some Intel(R) NUC M15 Laptop Kits before version BCTGL357.0074 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-2022-36789 Description: Improper access control in BIOS firmware for some Intel(R) NUC 10 Performance Kits and Intel(R) NUC 10 Performance Mini PCs before version FNCML357.0053 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-2022-35276 Description: Improper access control in BIOS firmware for some Intel(R) NUC 8 Compute Elements before version CBWHL357.0096 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-2022-38099 Description: Improper input validation in BIOS firmware for some Intel(R) NUC 11 Compute Elements before version EBTGL357.0065 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-2022-26124 Description: Improper buffer restrictions in BIOS firmware for some Intel(R) NUC Boards, Intel(R) NUC 8 Boards, Intel(R) NUC 8 Rugged Boards and Intel(R) NUC 8 Rugged Kits before version CHAPLCEL.0059 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-2022-36370 Description: Improper authentication in BIOS firmware for some Intel(R) NUC Boards and Intel(R) NUC Kits before version MYi30060 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-2022-37334 Description: Improper initialization in BIOS firmware for some Intel(R) NUC 11 Pro Kits and Intel(R) NUC 11 Pro Boards before version TNTGL357.0064 may allow an authenticated user to potentially enable escalation of privilege via local access. CVSS Base Score: 7.0 High CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVEID: CVE-2022-36349 Description: Insecure default variable initialization in BIOS firmware for some Intel(R) NUC Boards and Intel(R) NUC Kits before version MYi30060 may allow an authenticated user to potentially enable denial of service via local access. CVSS Base Score: 5.2 Medium CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L Affected Products: +------------------------------------+-----------------------------+------------------------------+ |Product |Download Link |CVE ID | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC Mini PC NUC8i7INH and |INWHL357.0046 |CVE-2021-33164 | |NUC8i5INH. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC 11 Performance kit - |BIOS Update [PATGL357] |CVE-2022-33176 | |NUC11PAHi70Z, NUC11PAHi50Z, | | | |NUC11PAHi30Z, NUC11PAHi3, | |CVE-2022-38099 | |NUC11PAHi5, NUC11PAHi7, NUC11PAKi3, | | | |NUC11PAKi5, NUC11PAKi7. | | | | | | | |Intel NUC 11 Performance Mini PC - | | | |NUC11PAQi50WA, NUC11PAQi70QA. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC Kit - NUC5i3RYH, |BIOS Update [RYBDWi35] |CVE-2022-37345 | |NUC5i7RYH, NUC5i5RYK, NUC5i5RYH, | | | |NUC5i3RYK, NUC5i5RYHS, NUC5i3RYHS, | | | |NUC5i3RYHSN. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC Kit - NUC8i7HNK, |BIOS Update [HNKBLi70] |CVE-2022-21794 | |NUC8i7HVK. | | | | | | | |Intel NUC 8 Enthusiast - | | | |NUC8i7HVKVA, NUC8i7HVKVAW. | | | | | | | |Intel NUC 8 Business - NUC8i7HNKQC. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC Kit - DE3815TYKHE. |BIOS Update [TYBYT10H] |CVE-2022-34152 | | | | | |Intel NUC Board - DE3815TYBE. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC M15 Laptop Kit |BIOS Update for the Intel NUC|CVE-2022-32569 | | |M15 Laptop Kit | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC 10 Performance kit - |BIOS Update [FNCML357] |CVE-2022-36789 | |NUC10i7FNHN, NUC10i5FNKN, | | | |NUC10i5FNHN, NUC10i7FNKN, | | | |NUC10i3FNHN, NUC10i3FNKN. | | | | | | | |Intel NUC 10 Performance Mini PC - | | | |NUC10i5FNHJA, NUC10i3FNHF, | | | |NUC10i7FNKPA, NUC10i5FNHCA, | | | |NUC10i3FNHFA, NUC10i5FNHJ, | | | |NUC10i7FNHC, NUC10i7FNHJA, | | | |NUC10i3FNHJA, NUC10i3FNK, | | | |NUC10i7FNHAA, NUC10i5FNH, | | | |NUC10i5FNK, NUC10i7FNH, NUC10i5FNHF,| | | |NUC10i5FNKPA, NUC10i3FNH, | | | |NUC10i7FNK, NUC10i7FNKP, | | | |NUC10i5FNKP. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC 8 Compute Element - |BIOS Update [CBWHL357] |CVE-2022-35276 | |CM8i7CB, CM8i3CB, CM8CCB, CM8i5CB, | | | |CM8PCB. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC 8 Rugged Kit NUC8CCHKRN, |BIOS Update [CHAPLCEL] |CVE-2022-26124 | |NUC8CCHKR. | | | | | | | |Intel NUC 8 Rugged Board - | | | |NUC8CCHBN. | | | | | | | |Intel NUC Board - NUC8CCHB. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC Board - NUC5i3MYBE. |BIOS Update [MYBDWi30] |CVE-2022-36370 | | | | | |Intel NUC Kit - NUC5i3MYHE. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC 11 Pro Kit - NUC11TNHi70Z,|BIOS Update [TNTGL357] |CVE-2022-37334 | |NUC11TNKi70Z, NUC11TNKi30Z, | | | |NUC11TNHi30Z, NUC11TNKi50Z, | |CVE-2022-38099 | |NUC11TNHi50Z, NUC11TNBi30Z, | | | |NUC11TNBi50Z, NUC11TNBi70Z, | | | |NUC11TNHi3, NUC11TNHi5. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC Board - NUC5i3MYBE. |BIOS Update [MYBDWi30] |CVE-2022-36349 | | | | | |Intel NUC Kit - NUC5i3MYHE. | | | +------------------------------------+-----------------------------+------------------------------+ |Intel NUC 11 Compute Element - | | | |CM11EBC4W, CM11EBi38W, CM11EBi58W, |BIOS Update [EBTGL357] | | |CM11EBi716W | |CVE-2022-38099 | | |BIOS Update [DBTGL579] | | |Intel NUC 11 Extreme Compute Element| | | |- NUC11DBBi9, NUC11DBBi7 | | | +------------------------------------+-----------------------------+------------------------------+ Recommendations: Intel recommends updating the affected Intel NUC BIOS firmware to the latest version (see provided table above). Acknowledgements: The following issues were found internally by Intel employees; CVE-2021-33164 and CVE-2022-37334. Intel would like to thank Benny Zeltser, Yehonatan Lusky (CVE-2021-33164) and Brent Holtsclaw (CVE-2022-37334). Intel would like to thank Yngweijw (Jiawei Yin) (CVE-2022-33176, CVE-2022-37345, CVE-2022-21794, CVE-2022-34152, CVE-2022-36789, CVE-2022-35276, CVE-2022-36370), the BINARLY efiXplorer team (CVE-2022-32569), Dmitry Frolov (CVE-2022-26124, CVE-2022-38099) and the TCG Vulnerability Response Team (CVE-2022-36349). 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 11/08/ Initial Release 2022 1.1 02/17/ Updated affected product list with mitigation details for 2023 CVE-2022-38099. 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