CVE-2022-33894: INTEL-SA-00807

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2023.2 IPU – BIOS Advisory

Intel ID:

INTEL-SA-00807

Advisory Category:

Firmware

Impact of vulnerability:

Escalation of Privilege, Information Disclosure

Severity rating:

HIGH

Original release:

05/09/2023

Last revised:

05/09/2023

**Summary: **

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

Vulnerability Details:

CVEID: CVE-2022-33894

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: 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-2022-38087

Description: Exposure of resource to wrong sphere in BIOS firmware for some Intel® Processors may allow a privileged user to potentially enable information disclosure via local access.

CVSS Base Score: 4.1 Medium

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

Affected Products:

CVE-2022-33894:

Product Collection

Vertical Segment

CPU ID

Platform ID

8th Generation Intel® Core™ Processor Family

9th Generation Intel® Core™ Processor Family

Mobile

Desktop

906EA

906EB

906EC

906ED

22

Intel® Xeon® Processor E Family

Server, Workstation

906EA

906ED

22

8th Generation Intel® Core™ Processor Family

Mobile

806EA

C0

8th Generation Intel® Core™ Processors

Mobile, Embedded

806EC

806EB

D0

94

7th Generation Intel® Core™ Processor Family

Desktop

906E9

2A

7th Generation Intel® Core™ Processor Family

Mobile

806E9

806EA

C0

8th Generation Intel® Core™ Processor Family
10th Generation Intel® Core™ Processor Family

Mobile

806E9

806EC

10

94

10th Generation Intel® Core™ Processor Family

Mobile

Desktop

A0652

A0653

A0655

A0660

A0661

806EC

20

01

22

80

80

07

CVE-2022-38087:

Product Collection

Vertical Segment

CPU ID

Platform ID

8th Generation Intel® Core™ Processor Family

10th Generation Intel® Core™ Processor Family

Mobile

806E9

806EC

10
94

8th Generation Intel® Core™ Processor Family

Mobile

806EA

C0

7th Generation Intel® Core™ Processor Family

Mobile

806E9

C0

8th Generation Intel® Core™ Processor Family

9th Generation Intel® Core™ Processor Family

Mobile
Desktop

906EA

906EB

906EC

906ED

22

Intel® Xeon® E Processor Family

Desktop,
Server,
Workstation

906EA

906ED

22

Intel® Xeon® E processor Family
7th Generation Intel® Core™ Processor Family

Server
Desktop

906E9

2A

Intel® Xeon® Scalable Processor Family

Server

50654

B7

8th Generation Intel® Core™ Processors

Mobile

806EB
806EC

D0
94

Intel® Xeon® Platinum P-8124, P-8136 processors,
Intel® Xeon® Scalable processor Family

Server

50653
50654

97
B7

Intel® Xeon® D processor Family,
Intel® Xeon® W processor Family

Server,
Desktop

50654

B7

Recommendations:

Intel recommends updating to the latest versions linked in the Intel IPU 2023.2 Update Guidance document. Availability dates will be updated regularly and can be found in the 2023.2 IPU Update Guidance tab.

Acknowledgements:

Intel would like to thank Yngweijw (Jiawei Yin) (CVE-2022-33894) and the Binarly efiXplorer team (CVE-2022-38087) 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

05/09/2023

Initial Release

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 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.

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 http://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.

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