CVE-2022-42285 : What You Need to Know

This article provides insights into CVE-2022-42285, a vulnerability found in the NVIDIA DGX servers affecting all SBIOS firmware versions prior to 1.18. Learn about the impact, technical details, and mitigation strategies for this CVE.

Understanding CVE-2022-42285

This section delves into the details of the vulnerability and its implications.

What is CVE-2022-42285?

CVE-2022-42285 is present in the DGX A100 SBIOS, enabling a privileged user to disable SPI flash protection during the Pre-EFI Initialization phase. This vulnerability can result in denial of service, escalation of privileges, or data tampering.

The Impact of CVE-2022-42285

The vulnerability poses risks such as Denial of Service, Escalation of Privileges, and Data Tampering, with a CVSS v3.1 base score of 6 (Medium).

Technical Details of CVE-2022-42285

This section outlines the specifics of the vulnerability.

Vulnerability Description

The DGX A100 SBIOS vulnerability allows a privileged user to disable SPI flash protection during the Pre-EFI Initialization phase, opening avenues for serious security breaches.

Affected Systems and Versions

NVIDIA DGX servers with SBIOS firmware versions prior to 1.18 are vulnerable to this issue.

Exploitation Mechanism

The vulnerability can be exploited by a privileged user to tamper with data, elevate privileges, or cause denial of service.

Mitigation and Prevention

Discover how to safeguard systems against CVE-2022-42285.

Immediate Steps to Take

Users should promptly update affected systems to SBIOS firmware version 1.18 or higher to mitigate the vulnerability.

Long-Term Security Practices

Implement regular security audits and access controls to prevent unauthorized firmware modifications and protect against potential exploits.

Patching and Updates

Stay informed about firmware updates and security advisories from NVIDIA to address emerging threats and vulnerabilities.