PT-2023-1412 · Amd · Amd Secure Processor

Cfir Cohen + 2 · Published 2023-01-10 · Updated 2023-08-08 · CVE-2021-26398

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions AMD Secure Processor (ASP) (affected versions not specified)

Description The issue is related to insufficient input validation in the SYS KEY DERIVE system call, which can be exploited by an attacker to corrupt AMD Secure Processor (ASP) OS memory, potentially leading to arbitrary code execution. This can occur in a compromised user application or ABL. The vulnerability is associated with the implementation of AMD Secure Processor (ASP) microcode in AMD processors.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Weakness Enumeration

CWE-20

CWE-787

Related Identifiers

BDU:2023-00793

CVE-2021-26398

Affected Products

Amd Secure Processor

References · 6

• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00793 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-26398 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26398 · Vendor Advisory
• https://support.lenovo.com/us/en/product_security/LEN-87730 · Note
• https://amd.com/en/corporate/product-security/bulletin/amd-sb-1032 · Note