CVE-2023-0202: Buffer Overflow

Published Apr 22, 2023
·
Updated

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

Affected Software

2 affected components
Nvidia Dgx A100 Firmware<1.18
Nvidia DGX A100

Event History

Apr 22, 2023
CVE Published
via MITRE·02:23 AM
Data Sourced
via MITRE·02:23 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID of this issue is CVE-2023-0202.

2

What is the affected software?

The affected software is Nvidia Dgx A100 Firmware version up to exclusive 1.18.

3

What is the severity of this vulnerability?

The severity of this vulnerability is high with a CVSS score of 7.8.

4

How can an attacker exploit this vulnerability?

An attacker can exploit this vulnerability by exploiting the GenericSio and LegacySmmSredir SMM APIs to modify arbitrary memory of SMRAM.

5

What are the potential consequences of this vulnerability?

The potential consequences of this vulnerability include denial of service, escalation of privileges, and information disclosure.

6

How can I fix this vulnerability?

To fix this vulnerability, it is recommended to update Nvidia Dgx A100 Firmware to a version that is not vulnerable.

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