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AUSCERT External Security Bulletin Redistribution
ESB-2023.0907
Intel OFU Software Advisory
16 February 2023
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AusCERT Security Bulletin Summary
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Product: Intel One Boot Flash Utility (OFU)
Publisher: Intel
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Resolution: Patch/Upgrade
CVE Names: CVE-2021-33104
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00769.html
Comment: CVSS (Max): 6.5 CVE-2021-33104 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)
CVSS Source: Intel
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
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Intel ID: INTEL-SA-00769
Advisory Category: Software
Impact of vulnerability : Denial of Service
Severity rating : MEDIUM
Original release: 02/14/2023
Last revised: 02/14/2023
Summary:
A potential security vulnerability in the Intel One Boot Flash Utility (OFU)
software may allow denial of service. Intel is releasing software updates to
mitigate this potential vulnerability.
Vulnerability Details:
CVE-2021-33104
Description: Improper access control in the Intel(R) OFU software before
version 14.1.28 may allow an authenticated user to potentially enable denial of
service 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:N/I:N/A:H
Affected Products:
Intel OFU software before version 14.1.28.
Recommendations:
Intel recommends updating Intel OFU software to version 14.1.28 or later.
Updates are available for download at this location:
https://www.intel.com/content/www/us/en/download/19032/
intel-one-boot-flash-update-intel-ofu-utility-for-intel-server-boards-and-intel-server-systems-based-on-intel-62x-chipset.html
Acknowledgements:
Intel would like to thank Rajat Gupta, security researcher at SecLab, UC Santa
Barbara, USA 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 02/14/2023 Initial Release
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