CVE-2023-25528 : Security Advisory and Response

This CVE record, assigned by NVIDIA, details a vulnerability identified in the baseboard management controller (BMC) of NVIDIA DGX H100. The vulnerability stems from a flaw in a web server plugin, allowing an unauthenticated attacker to trigger a stack overflow by sending a crafted network packet. Successful exploitation of this vulnerability could result in arbitrary code execution, denial of service, information disclosure, and data tampering.

Understanding CVE-2023-25528

This section delves into the specifics of CVE-2023-25528, shedding light on its impact, technical details, affected systems, and mitigation strategies.

What is CVE-2023-25528?

CVE-2023-25528 is a vulnerability found in the BMC of NVIDIA DGX H100 due to a flaw in a web server plugin. Attackers can exploit this flaw to trigger a stack overflow, potentially leading to severe consequences such as code execution, denial of service, and data manipulation.

The Impact of CVE-2023-25528

The impact of CVE-2023-25528 includes the potential for code execution, denial of service, information disclosure, and data tampering. These consequences can pose significant risks to the affected systems and the data they handle.

Technical Details of CVE-2023-25528

This section provides insight into the vulnerability description, affected systems, and the exploitation mechanism associated with CVE-2023-25528.

Vulnerability Description

The vulnerability in NVIDIA DGX H100 BMC arises from a web server plugin flaw that allows an unauthenticated attacker to trigger a stack overflow by sending a specially crafted network packet. This flaw can be exploited to achieve various malicious outcomes.

Affected Systems and Versions

The vulnerability affects NVIDIA DGX H100 BMC in all versions prior to 23.08.07. Organizations using these versions are susceptible to the risks posed by CVE-2023-25528.

Exploitation Mechanism

By sending a specifically crafted network packet, an unauthenticated attacker can exploit the vulnerability in the BMC's web server plugin, causing a stack overflow and potentially gaining unauthorized access or disrupting services.

Mitigation and Prevention

To safeguard against the risks associated with CVE-2023-25528, immediate steps should be taken, followed by the implementation of long-term security practices and timely patching and updates.

Immediate Steps to Take

Immediately addressing this vulnerability involves applying security patches or workarounds provided by NVIDIA to mitigate the risk of exploitation and protect the affected systems from potential attacks.

Long-Term Security Practices

In the long run, organizations should prioritize cybersecurity measures such as network segmentation, access control, regular security assessments, and employee training to enhance their overall resilience against similar vulnerabilities.

Patching and Updates

Regularly monitoring security advisories from NVIDIA and promptly applying patches and updates for the affected systems, including the BMC of NVIDIA DGX H100, is essential to maintain a secure and protected environment against known vulnerabilities like CVE-2023-25528.