CVE-2023-40037 : Vulnerability Insights and Analysis

Apache NiFi 1.21.0 through 1.23.0 is impacted by a vulnerability that allows an authenticated user to bypass connection URL validation in certain processors and controller services. Upgrading to Apache NiFi 1.23.1 is recommended as a mitigation.

Understanding CVE-2023-40037

This section provides a detailed insight into the CVE-2023-40037 vulnerability affecting Apache NiFi.

What is CVE-2023-40037?

CVE-2023-40037 highlights an incomplete validation issue in JDBC and JNDI connection URLs in Apache NiFi versions 1.21.0 through 1.23.0.

The Impact of CVE-2023-40037

The vulnerability allows authenticated and authorized users to bypass connection URL validation by using custom input formatting, posing a security risk to the affected systems.

Technical Details of CVE-2023-40037

Let's delve into the technical aspects of the CVE-2023-40037 vulnerability in Apache NiFi.

Vulnerability Description

Apache NiFi 1.21.0 through 1.23.0 support JDBC and JNDI JMS access in several Processors and Controller Services with connection URL validation that is inadequate against crafted inputs.

Affected Systems and Versions

The vulnerability affects Apache NiFi versions 1.21.0 through 1.23.0, allowing an authenticated and authorized user to bypass connection URL validation.

Exploitation Mechanism

An authenticated user can exploit the incomplete connection URL validation by employing custom input formatting to bypass the security checks.

Mitigation and Prevention

Discover the steps to mitigate the CVE-2023-40037 vulnerability in Apache NiFi and prevent potential security breaches.

Immediate Steps to Take

Upgrade to Apache NiFi 1.23.1 to address the incomplete validation of JDBC and JNDI connection URLs and enhance the security of the affected systems.

Long-Term Security Practices

Implement rigorous security monitoring and access controls in Apache NiFi environments to prevent unauthorized access and data breaches.

Patching and Updates

Stay informed about security updates and patches released by Apache Software Foundation to address vulnerabilities and enhance the overall security posture of Apache NiFi.