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Threat Actors Exploit NVIDIA Vulnerability For Host Access?

by Wajahat Raja

October 10, 2024 - TuxCare expert team

As per recent reports, a critical NVIDIA vulnerability pertaining to its Container Toolkit has been discovered. If the container security vulnerability were to be exploited by threat actors, it could allow them to have access to the underlying host. In this article, we’ll look at how severe the vulnerability is and mitigation measures that can help reduce the risk of exploitation. Let’s begin! 

Exploitable NVIDIA Vulnerability Uncovered 

The NVIDIA vulnerability pertaining to its Container Toolkit is currently being tracked as CVE-2024-0132. The flaw has a critical vulnerability severity score (CVSS) of 9.0 and has been identified and addressed in NVIDIA Container Toolkit version v1.16.2 and NVIDIA GPU Operator version 24.6.2. 

It’s worth mentioning that vulnerability does not prevail in cases where the Container Device Interface is used. Providing insights about the flaw, NVIDIA has stated that: 

“NVIDIA Container Toolkit 1.16.1 or earlier contains a Time-of-Check Time-of-Use (TOCTOU) vulnerability when used with default configuration where a specifically crafted container image may gain access to the host file system. A successful exploit of this vulnerability may lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.”

The flaw was discovered and reported by cloud security firm Wiz earlier on September 1st. Reports have cited the security firm stating that if the NVIDIA vulnerability was to be exploited, it could grant host access to the threat actors. 

Full Host Access Exploit Possibility

Those keen on ensuring protection against online threats must comprehend how such an attack leveraging this NVIDIA vulnerability may play out. The container security vulnerability could be exploited by threat actors with malicious container images. When run on the platform, the image would allow the hacker to have direct or indirect access to the system.

It’s worth mentioning here that such attacks could prevail as a supply chain attack in containers where a rouge image is deployed. In addition, services that provide a shared Graphics Processing Unit (GPU) resource can also become a staging ground for attacks centered on an exploit of the NVIDIA vulnerability

Sharing details about the access that can be acquired by exploiting the NVIDIA container flaw, security researchers Shir Tamari, Ronen Shustin, and Andres Riancho have stated that: 

“With this access, the attacker can now reach the Container Runtime Unix sockets (docker.sock/containerd.sock). These sockets can be used to execute arbitrary commands on the host system with root privileges, effectively taking control of the machine. While the hype concerning AI security risks tends to focus on futuristic AI-based attacks, ‘old-school’ infrastructure vulnerabilities in the ever-growing AI tech stack remain the immediate risk that security teams should prioritize and protect against.”

Further details pertaining to a hypothetical attack scenario have not been disclosed at the moment in an attempt to mitigate the risk and possibility of exploits. In addition, users are recommended to apply patches promptly to ensure protection. 

Conclusion 

The NVIDIA Container Toolkit vulnerability is a critical issue that could allow attackers full access to a system. It’s essential for users to apply the latest patches and strengthen their container security measures to prevent exploitation. 

With an increase in the complexity and diversity of online attacks, both organizations and individual users must use robust cybersecurity protocols that help identify and mitigate risk, leading to an improved security posture. 

The sources for this piece include articles in The Hacker News and Trend Micro.

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