CVE-2021-26344 - OpenCVE

An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Amd	Milanpi Naplespi Romepi

No data.

No data.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html

History

Tue, 13 Aug 2024 19:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Amd Amd milanpi Amd naplespi Amd romepi
CPEs		cpe:2.3:h:amd:milanpi:-:::::::* cpe:2.3:h:amd:naplespi:-:::::::* cpe:2.3:h:amd:romepi:-:::::::*
Vendors & Products		Amd Amd milanpi Amd naplespi Amd romepi
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 13 Aug 2024 17:00:00 +0000

Type	Values Removed	Values Added
Description		An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
References		https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
Metrics		cvssV3_1 `{'score': 7.2, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2024-08-13T16:49:52.889Z

Updated: 2024-08-13T18:33:40.359Z

Reserved: 2021-01-29T21:24:26.145Z

Link: CVE-2021-26344

Vulnrichment

Updated: 2024-08-13T18:33:28.351Z

NVD

Status : Awaiting Analysis

Published: 2024-08-13T17:15:17.113

Modified: 2024-08-14T02:07:05.410

Link: CVE-2021-26344

Redhat

No data.

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