CVE-2020-0590: INTEL-SA-00358

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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

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

Intel products and services described 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 products that have met their End of Servicing Updates may no longer receive functional and security updates. For additional details on support and servicing, please see this help article.

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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.

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Copyright © Intel Corporation 2022

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