Headline

CVE-2019-14558: INTEL-SA-00356

Insufficient control flow management in BIOS firmware for 8th, 9th, 10th Generation Intel® Core™, Intel® Celeron® Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable denial of service via adjacent access.

4 years ago

CVE

Open in Source

#vulnerability #web #ios #dos

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Intel BIOS Advisory

Intel ID:

INTEL-SA-00356

Advisory Category:

Firmware

Impact of vulnerability:

Escalation of Privilege, Denial of Service, Information Disclosure

Severity rating:

MEDIUM

Original release:

09/08/2020

Last revised:

09/08/2020

**Summary: **

Potential security vulnerabilities in BIOS firmware for multiple Intel Platforms may allow escalation of privilege, denial of service and/or information disclosure. Intel is releasing BIOS updates to mitigate these potential vulnerabilities.

Vulnerability Details:

CVEID: CVE-2020-8672

Description: Out of bound read in BIOS firmware for 8th, 9th Generation Intel® Core™, Intel® Celeron® Processor 4000 Series Processors may allow an unauthenticated user to potentially enable elevation of privilege or denial of service via local access.

CVSS base Score: 5.1 Medium

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

CVEID: CVE-2019-14557

Description: Buffer overflow in BIOS firmware for 8th, 9th, 10th Generation Intel® Core™, Intel® Celeron® Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable elevation of privilege or denial of service via adjacent access.

CVSS base Score: 4.6 Medium

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

CVEID: CVE-2019-14558

Description: Insufficient control flow management in BIOS firmware for 8th, 9th, 10th Generation Intel® Core™, Intel® Celeron® Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable denial of service via adjacent access.

CVSS base Score: 3.0 Low

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

CVEID: CVE-2020-8671

Description: Insufficient control flow management in BIOS firmware 8th, 9th Generation Intel® Core™ Processors and Intel® Celeron® Processor 4000 Series may allow an authenticated user to potentially enable information disclosure via local access.

CVSS base Score: 5.0 Medium

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

CVEID: CVE-2019-14556

Description: Improper initialization in BIOS firmware for 8th, 9th, 10th Generation Intel® Core™, Intel® Celeron® Processor 4000 & 5000 Series Processors may allow a privileged user to potentially enable denial of service via local access.

CVSS base Score: 2.0 Low

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

Affected Products:

8th Generation Intel® Core™ Processor
9th Generation Intel® Core™ Processor
10th Generation Intel® Core™ i7 Processor
Intel® Celeron® Processor 5000 Series
Intel® Celeron® Processor 4000 Series

Recommendations:

Intel recommends that users of above Intel® products update to the latest BIOS version provided by the system manufacturer that addresses these issues.

Acknowledgements:

These issues were found internally by Intel.

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

09/08/2020

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, 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.

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: