A vulnerability was found in AMD CPU (Chip Software) (affected version unknown). It has been classified as critical. This affects an unknown functionality of the component Bootloader. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service.

The weakness was published 01/11/2023. It is possible to read the advisory at amd.com. This vulnerability is uniquely identified as CVE-2023-20527 since 10/27/2022. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Type

• Chip Software

Vendor

• AMD

Name

• CPU

License

• commercial

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