CVE-2023-0206 Memory corruption in NVIDIA DGX servers

High 7.5 Published Updated

An attacker can exploit an NVME SMM API flaw in NVIDIA DGX A100 SBIOS to modify SMRAM, leading to privilege escalation, denial of service, and information disclosure.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-0206?

CVE-2023-0206 is a high-severity memory corruption vulnerability in NVIDIA DGX servers, published on 22 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the NVME SMM API. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.

Weakness: CWE-119

Which versions are affected by CVE-2023-0206?

It affects 1 product.

Products include Nvidia Dgx A100 Firmware.

How do I fix CVE-2023-0206?

No fix has been published for CVE-2023-0206 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-0206 being exploited?

There is no known exploitation of CVE-2023-0206 in the wild and no public exploit code.

Sources

Also known as GHSA-gh64-fxhm-p67h.

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