CVE-2023-25507 : Vulnerability Insights and Analysis

This CVE-2023-25507 article provides an in-depth understanding of a vulnerability found in NVIDIA DGX-1 BMC, highlighting its impact, technical details, and mitigation strategies.

Understanding CVE-2023-25507

CVE-2023-25507 refers to a vulnerability discovered in the NVIDIA DGX-1 BMC affecting all BMC versions before 3.39.3. The flaw exists in the SPX REST API, allowing an attacker with the appropriate authorization level to inject arbitrary shell commands, leading to severe consequences like code execution, denial of service, information disclosure, and data tampering.

What is CVE-2023-25507?

The CVE-2023-25507 vulnerability lies within the SPX REST API of NVIDIA DGX-1 BMC, enabling attackers to execute unauthorized shell commands. This security flaw can have severe repercussions, compromising the integrity, availability, and confidentiality of the affected system.

The Impact of CVE-2023-25507

The impact of CVE-2023-25507 includes critical consequences such as code execution, denial of service, information disclosure, and data tampering. These outcomes can significantly disrupt the operations of organizations utilizing affected NVIDIA DGX-1 servers.

Technical Details of CVE-2023-25507

The vulnerability is categorized under CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')). It has a CVSS v3.1 base score of 7.2, denoting a high severity level with a notable impact on confidentiality, integrity, and availability.

Vulnerability Description

The vulnerability in the SPX REST API of NVIDIA DGX-1 BMC allows threat actors to execute arbitrary shell commands, posing risks of unauthorized code execution, denial of service attacks, data disclosure, and tampering.

Affected Systems and Versions

NVIDIA DGX-1 servers with BMC versions prior to 3.39.3 are impacted by CVE-2023-25507, making them susceptible to exploitation through the SPX REST API vulnerability.

Exploitation Mechanism

Attackers with a high level of authorization can leverage the vulnerability in the SPX REST API to inject malicious shell commands, compromising the security posture of NVIDIA DGX-1 BMC servers.

Mitigation and Prevention

To address CVE-2023-25507 and enhance the security of NVIDIA DGX-1 servers, organizations must follow immediate steps, adopt long-term security practices, and ensure prompt patching and updates.

Immediate Steps to Take

Implement access controls: Restrict access to BMC interfaces and APIs to authorized personnel only.
Update firmware: Apply patches released by NVIDIA to mitigate the vulnerability in the SPX REST API.
Monitor activity: Regularly monitor for suspicious behavior or unauthorized access attempts on the BMC system.

Long-Term Security Practices

Conduct regular security assessments: Perform routine audits and vulnerability scans to identify and address potential security gaps.
Employee training: Educate staff on best cybersecurity practices to prevent social engineering attacks and unauthorized access.
Incident response plan: Develop and practice an incident response plan to efficiently respond to security breaches or vulnerabilities.

Patching and Updates

Stay informed about security advisories from NVIDIA and promptly apply any available patches or updates to mitigate the CVE-2023-25507 vulnerability and enhance the overall security posture of NVIDIA DGX-1 servers.