CVE-2024-0132 in Container Toolkit
Summary
by MITRE • 09/26/2024
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. This does not impact use cases where CDI is used. A successful exploit of this vulnerability may lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.
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Analysis
by VulDB Data Team • 03/28/2025
The vulnerability identified as CVE-2024-0132 resides within the NVIDIA Container Toolkit version 1.16.1 and earlier, representing a critical Time-of-Check Time-of-Use (TOCTOU) flaw that fundamentally undermines container security boundaries. This vulnerability specifically manifests when the toolkit operates under its default configuration settings, creating a window of opportunity for malicious actors to exploit temporal inconsistencies in file system access controls. The TOCTOU pattern occurs when the system checks file permissions or attributes at one point in time and then uses that information at a subsequent point, allowing adversaries to manipulate the underlying resources between these checks.
The technical implementation of this vulnerability exploits the toolkit's handling of container image specifications and host file system interactions. When a specially crafted container image is executed, the toolkit's default configuration fails to properly validate or enforce file system access restrictions, enabling the container to traverse and access host file system resources that should remain isolated. This occurs due to insufficient synchronization between the initial permission checks and the actual resource access operations, creating a race condition that malicious code can leverage to bypass security controls. The vulnerability operates at the intersection of container orchestration and GPU acceleration, where the toolkit's privilege escalation mechanisms become compromised through improper file system access management.
The operational impact of this vulnerability extends far beyond simple privilege escalation, encompassing a comprehensive attack surface that can result in complete system compromise. Successful exploitation allows attackers to execute arbitrary code on the host system, potentially leading to persistent backdoors and lateral movement within the network infrastructure. The vulnerability's potential for information disclosure means that sensitive host data, configuration files, and user credentials could be accessed and exfiltrated. Additionally, the capability for data tampering enables attackers to modify critical system files, corrupt databases, or manipulate application behavior. Denial of service attacks can also be executed by corrupting essential system components or exhausting system resources through malicious file operations.
Security professionals should recognize this vulnerability as a direct violation of the principle of least privilege and container isolation, aligning with CWE-367 which addresses time-of-check to time-of-use flaws in system security. The attack surface maps to several MITRE ATT&CK techniques including privilege escalation through container escape, credential access via file system manipulation, and defense evasion through persistent backdoor establishment. Organizations using the NVIDIA Container Toolkit in default configurations must implement immediate mitigations including updating to versions beyond 1.16.1, disabling unnecessary container image features, and implementing strict network segmentation controls. The vulnerability also highlights the importance of CDI (Container Device Interface) usage as a recommended security control, since deployments using CDI are not affected by this specific flaw, demonstrating how proper security architecture implementation can prevent such temporal inconsistencies.
Mitigation strategies should focus on both immediate remediation and long-term architectural improvements. Organizations must prioritize updating their NVIDIA Container Toolkit installations to versions that address this TOCTOU vulnerability, while simultaneously implementing runtime monitoring for suspicious file system access patterns. Network-based controls should be enhanced to limit communication between containers and host systems, particularly for GPU-accelerated workloads. Regular security assessments should include verification of container image integrity and proper implementation of isolation mechanisms. The vulnerability serves as a reminder of the critical importance of validating security controls in complex containerized environments where multiple abstraction layers interact, emphasizing the need for comprehensive security testing that includes temporal consistency checks and proper privilege boundary enforcement.