CVE-2023-34212 : Vulnerability Insights and Analysis

Apache NiFi: Potential Deserialization of Untrusted Data with JNDI in JMS Components

Understanding CVE-2023-34212

This CVE involves a vulnerability in Apache NiFi versions 1.8.0 through 1.21.0 that allows an authenticated user to configure URL and library properties, enabling the deserialization of untrusted data from a remote location.

What is CVE-2023-34212?

The JndiJmsConnectionFactoryProvider Controller Service, together with the ConsumeJMS and PublishJMS Processors, in Apache NiFi versions 1.8.0 through 1.21.0, allows authorized users to configure properties that may lead to deserialization of untrusted data from a remote source. The issue has been addressed in version 1.22.0.

The Impact of CVE-2023-34212

This vulnerability could potentially be exploited by an attacker to execute arbitrary code or perform other malicious activities on the affected system. It is crucial for users to take immediate action to mitigate this risk.

Technical Details of CVE-2023-34212

The following technical details shed light on the specifics of the CVE:

Vulnerability Description

The vulnerability in Apache NiFi versions 1.8.0 through 1.21.0 allows for the deserialization of untrusted data from a remote location, posing a significant security risk that can be exploited by malicious actors.

Affected Systems and Versions

Apache NiFi versions 1.8.0 through 1.21.0 are affected by this vulnerability. Users are strongly advised to upgrade to version 1.22.0 or above to address this issue.

Exploitation Mechanism

An authenticated and authorized user can configure URL and library properties in the JndiJmsConnectionFactoryProvider Controller Service, opening the possibility of deserializing untrusted data from a remote location.

Mitigation and Prevention

To safeguard systems from the risks associated with CVE-2023-34212, the following steps should be taken:

Immediate Steps to Take

Upgrade Apache NiFi to version 1.22.0 or later, which contains the necessary fixes to address this vulnerability.

Long-Term Security Practices

Implement strict access controls and authentication measures to prevent unauthorized access to Apache NiFi components.

Patching and Updates

Regularly apply security patches and updates provided by Apache Software Foundation to ensure the latest security fixes are in place.