CVE-2023-6753 : Security Advisory and Response

Path Traversal in mlflow/mlflow prior to version 2.9.2 has been identified as CVE-2023-6753. This vulnerability has a base score of 9.6, marking it as critical.

Understanding CVE-2023-6753

This section delves into the details of CVE-2023-6753, shedding light on what it entails and its potential impact.

What is CVE-2023-6753?

CVE-2023-6753 refers to a path traversal vulnerability discovered in the GitHub repository mlflow/mlflow before the version 2.9.2. This vulnerability falls under the category of CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal').

The Impact of CVE-2023-6753

The impact of CVE-2023-6753 is significant, with a base score of 9.6, classifying it as critical. This vulnerability can lead to high confidentiality, integrity, and availability impacts, potentially enabling attackers to access restricted directories and sensitive information.

Technical Details of CVE-2023-6753

In this section, we explore the technical aspects of CVE-2023-6753, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in mlflow/mlflow allows for path traversal, which could be exploited by attackers to access unauthorized directories and files beyond the intended scope.

Affected Systems and Versions

The affected vendor is mlflow, with the impacted product being mlflow/mlflow. Versions prior to 2.9.2 are vulnerable to this path traversal issue.

Exploitation Mechanism

The vulnerability can be exploited remotely with low attack complexity and no privileges required. Attackers can potentially impact confidentiality, integrity, and availability without user interaction.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2023-6753, certain steps should be taken to enhance the security posture of affected systems.

Immediate Steps to Take

Upgrade mlflow/mlflow to version 2.9.2 or higher to mitigate the path traversal vulnerability.

Long-Term Security Practices

Implement proper input validation and sanitization techniques to prevent path traversal attacks.
Regularly monitor and assess for vulnerabilities in third-party dependencies like mlflow/mlflow.

Patching and Updates

Stay informed about security patches and updates released by mlflow for mlflow to address known vulnerabilities and enhance system security. Regularly apply patches to ensure system resilience against potential threats.