CVE-2023-37895 : What You Need to Know

A critical vulnerability, CVE-2023-37895, has been discovered in Apache Jackrabbit Webapp and Standalone versions up to 2.20.10 and 2.21.17, allowing attackers to remotely execute code via RMI.

Understanding CVE-2023-37895

This article delves into the details of the Java object deserialization issue in Jackrabbit webapp/standalone that enables remote code execution.

What is CVE-2023-37895?

Versions up to 2.20.10 and 2.21.17 utilize 'commons-beanutils', containing a class enabling RMI-based remote code execution. Users are urged to update to 2.20.11 or 2.21.18 immediately.

The Impact of CVE-2023-37895

RMI support poses a significant risk, urging users to disable RMI access and consider deprecating RMI support in future releases.

Technical Details of CVE-2023-37895

Vulnerability Description

The vulnerability in Apache Jackrabbit Webapp and Standalone allows attackers to execute code remotely via RMI due to a deserialization flaw.

Affected Systems and Versions

Both the Webapp and Standalone versions up to 2.20.10 and 2.21.17 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by leveraging the 'commons-beanutils' component present in the affected versions.

Mitigation and Prevention

Learn how to safeguard your systems against CVE-2023-37895.

Immediate Steps to Take

Users are advised to update their Apache Jackrabbit installations to version 2.20.11 or 2.21.18 promptly to mitigate the risk of remote code execution.

Long-Term Security Practices

Considering disabling RMI access and planning for the deprecation of RMI support in future Jackrabbit releases is recommended to enhance security.

Patching and Updates

Follow the provided steps to turn off RMI support and ensure your systems are protected from potential attacks.