CVE-2024-2083 in ZenML
Summary
by MITRE • 04/16/2024
A directory traversal vulnerability exists in the zenml-io/zenml repository, specifically within the /api/v1/steps endpoint. Attackers can exploit this vulnerability by manipulating the 'logs' URI path in the request to fetch arbitrary file content, bypassing intended access restrictions. The vulnerability arises due to the lack of validation for directory traversal patterns, allowing attackers to access files outside of the restricted directory.
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Analysis
by VulDB Data Team • 05/13/2025
The directory traversal vulnerability identified in CVE-2024-2083 represents a critical security flaw within the zenml-io/zenml repository that directly impacts the /api/v1/steps endpoint. This vulnerability stems from insufficient input validation mechanisms that fail to properly sanitize user-supplied URI path parameters, particularly those related to log file access. The flaw allows malicious actors to manipulate the logs parameter in HTTP requests to navigate beyond the intended file system boundaries and retrieve unauthorized content from the server's file system.
The technical implementation of this vulnerability aligns with CWE-22, which specifically addresses directory traversal or path traversal attacks that occur when applications fail to properly validate or sanitize file paths. The vulnerability manifests when the application processes user input without adequate sanitization or canonicalization, enabling attackers to construct malicious paths using sequences such as ../ or ..\ that traverse upward through the directory structure. This particular flaw affects the zenml platform's API endpoint design where log file retrieval functionality lacks proper path validation, allowing attackers to access sensitive files that should remain restricted to authorized users only.
The operational impact of this vulnerability extends beyond simple unauthorized file access, as it can potentially expose sensitive system information, configuration files, or even credentials stored within the application's file system. Attackers exploiting this vulnerability could gain access to logs containing sensitive operational data, application configuration details, or other potentially compromising information that could aid in further attacks against the system. The vulnerability also creates opportunities for attackers to escalate their privileges or conduct reconnaissance activities that could lead to more severe security breaches within the broader infrastructure.
Security mitigations for this vulnerability should focus on implementing robust input validation and canonicalization mechanisms that prevent directory traversal attempts. The recommended approach includes implementing strict path validation that ensures all file paths are properly normalized and checked against a whitelist of allowed directories. Additionally, the application should employ proper access controls and privilege separation to ensure that even if path traversal occurs, the attacker cannot access files outside of designated operational boundaries. Organizations should also consider implementing web application firewalls and monitoring systems that can detect and block suspicious path traversal patterns. The vulnerability demonstrates the importance of following secure coding practices and adhering to the principle of least privilege in API endpoint design, where all user inputs are properly validated before being processed by the application's file system access mechanisms. This flaw also highlights the necessity of regular security assessments and code reviews to identify and remediate similar vulnerabilities before they can be exploited in production environments.