Headline

CVE-2021-0158: INTEL-SA-00562

Improper input validation in the BIOS firmware for some Intel® Processors may allow a privileged user to potentially enable escalation of privilege via local access.

2 years ago

CVE

Open in Source

#vulnerability #web #ios

Select Your Region

The browser version you are using is not recommended for this site.
Please consider upgrading to the latest version of your browser by clicking one of the following links.

Safari
Chrome
Edge
Firefox

BIOS Reference Code Advisory

**Summary: **

Potential security vulnerabilities in the BIOS reference code for some Intel® Processors may allow escalation of privilege. Intel is releasing firmware updates to mitigate these potential vulnerabilities.

Vulnerability Details:

CVEID: CVE-2021-0157

Description: Insufficient control flow management in the BIOS firmware for some Intel® Processors 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-2021-0158

Description: Improper input validation in the BIOS firmware for some Intel® Processors 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

Affected Products:

Intel® Xeon® Processor E Family
Intel® Xeon® Processor E3 v6 Family
Intel® Xeon® Processor W Family
3rd Generation Intel® Xeon® Scalable Processors
11th Generation Intel® Core™ Processors
10th Generation Intel® Core™ Processors
8th Generation Intel® Core™ Processors
7th Generation Intel® Core™ Processors
Intel® Core™ X-series Processors
Intel® Celeron® Processor N Series
Intel® Pentium® Silver Processor Series

Recommendations:

Intel recommends that users of affected Intel® Processors update to the latest version provided by the system manufacturer that addresses these issues.

Acknowledgements:

Intel would like to thank Itai Liba and Assaf Carlsbad from SentinelOne 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

11/09/2021

Initial Release

1.1

11/15/2021

Updated acknowledgements.

1.2

11/17/2021

Updated affected products to include 8th Generation Intel® Core™ Processor Family

Legal Notices and Disclaimers

Intel provides these materials as-is, with no express or implied warranties.

All products, dates, and figures specified are preliminary based on current expectations, and are subject to change without notice.

Intel, processors, chipsets, and desktop boards may contain design defects or errors known as errata, which may cause the product to deviate from published specifications. Current characterized errata are available on request.

Intel technologies’ features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration. No computer system can be absolutely secure. Check with your system manufacturer or retailer or learn more at https://intel.com.

Some results have been estimated or simulated using internal Intel analysis or architecture simulation or modeling, and provided to you for informational purposes. Any differences in your system hardware, software or configuration may affect your actual performance.

Intel and the Intel logo are trademarks of Intel Corporation in the United States and other countries.

*Other names and brands may be claimed as the property of others.
Copyright © Intel Corporation 2020

Report a Vulnerability

If you have information about a security issue or vulnerability with an Intel branded product or technology, please send an e-mail to [email protected]. Encrypt sensitive information using our PGP public key.

Please provide as much information as possible, including:

The products and versions affected
Detailed description of the vulnerability
Information on known exploits

A member of the Intel Product Security Team will review your e-mail and contact you to collaborate on resolving the issue. For more information on how Intel works to resolve security issues, see: