Headline

CVE-2020-0591: INTEL-SA-00358

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

4 years ago

CVE

Open in Source

#vulnerability #web #ios #dos #intel #bios #auth

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

2020.2 IPU – BIOS Advisory

Intel ID:

INTEL-SA-00358

Advisory Category:

Firmware

Impact of vulnerability:

Escalation of Privilege, Denial of Service

Severity rating:

HIGH

Original release:

11/10/2020

Last revised:

11/10/2020

**Summary: **

Potential security vulnerabilities in the BIOS firmware for some Intel® Processors may allow escalation of privilege or denial of service. Intel is releasing firmware updates to mitigate this potential vulnerability.

Vulnerability Details:

CVEID: CVE-2020-0590

Description: Improper input validation in BIOS firmware for some Intel® Processors may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Score: 7.7 High

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H

CVEID: CVE-2020-0587

Description: Improper conditions check in BIOS firmware for some Intel® Processors may allow a privileged 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:H/UI:N/S:C/C:L/I:H/A:L

CVEID: CVE-2020-0591

Description: Improper buffer restrictions in BIOS firmware for some Intel® Processors may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Base Score: 6.7 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVEID: CVE-2020-0593

Description: Improper buffer restrictions in BIOS firmware for some Intel® Processors may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Base Score: 4.7 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:L

CVEID: CVE-2020-0588

Description: Improper conditions check in BIOS firmware for some Intel® Processors may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Base Score: 3.8 Low

CVSS Vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N

CVEID: CVE-2020-0592

Description: Out of bounds write in BIOS firmware for some Intel® Processors may allow an authenticated user to potentially enable escalation of privilege and/or denial of service via local access.

CVSS Base Score: 3.0 Low

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L

Affected Products:

2nd Generation Intel® Xeon® Scalable and Intel® Xeon® Scalable Processors

CVE-2020-0590
CVE-2020-0591
CVE-2020-0592
CVE-2020-0593
CVE-2020-0587
CVE-2020-0588

Intel® Xeon® Processor D Family, Intel® Xeon® Processor E5 v4 Family and Intel® Xeon® Processor E5 v3 Family

CVE-2020-0591
CVE-2020-0592

10th Generation Intel® Core™ processors, 9th Generation Intel® Core™ processors, 8th Generation Intel® Core™ processors, 7th Generation Intel® Core™ processors, 6th Generation Intel® Core™ processors and

Intel® Core™ Processors with Intel® Hybrid Technology

CVE-2020-0593

Intel® Xeon® Processor E7 v4 Family and Intel® Xeon® Processor E7 v2 Family

CVE-2020-0592

Intel® Core™ X-series Processors and Intel® Xeon® Processor W Family

CVE-2020-0587
CVE-2020-0591
CVE-2020-0592
CVE-2020-0593

Intel® Xeon® Processor D Family, Intel® Xeon® W Processor and Intel® Core™ X-series Processors

CVE-2020-0591
CVE-2020-0592
CVE-2020-0593

**Recommendations:
**

Intel recommends that users of the affected products update to the latest BIOS firmware provided by the system manufacturer that addresses these issues.

Acknowledgements:

These issues were found internally by Intel employees. Intel would like to thank, Nagaraju N Kodalapura and Hareesh Khattri for CVE-2020-0590, Jorge E Gonzalez Diaz for CVE-2020-0588, Nicholas Armour for CVE-2020-0587, and Brent Holtsclaw for CVE-2020-0591 and CVE-2020-0591.

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

11/10/2020

Initial Release

1.1

03/15/2021

Updated affected products for CVE-2020-0591/0592

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 product or component 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.

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: