CVE-2020-11998 : Security Advisory and Response

A regression in Apache ActiveMQ allows for arbitrary code execution via JMX, posing a security risk. Upgrading to version 5.15.13 is recommended.

Understanding CVE-2020-11998

This CVE involves a vulnerability in Apache ActiveMQ that could lead to arbitrary code execution.

What is CVE-2020-11998?

A regression in the software allows a remote client to create new MBeans from arbitrary URLs, potentially executing arbitrary code.

The Impact of CVE-2020-11998

The vulnerability could be exploited by a rogue remote client to make the Java application execute arbitrary code, posing a significant security risk.

Technical Details of CVE-2020-11998

Apache ActiveMQ version 5.15.12 is affected by this vulnerability.

Vulnerability Description

By passing an empty environment map to RMIConnectorServer, instead of the map containing authentication credentials, the software becomes vulnerable to arbitrary code execution via JMX.

Affected Systems and Versions

Product: Apache ActiveMQ
Version: Apache Tomcat 5.15.12

Exploitation Mechanism

A remote client could create a javax.management.loading.MLet MBean to create new MBeans from arbitrary URLs, potentially executing arbitrary code.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Upgrade to Apache ActiveMQ version 5.15.13 to mitigate the vulnerability.

Long-Term Security Practices

Implement strict security measures to prevent unauthorized access.
Regularly update and patch software to address known vulnerabilities.
Monitor and restrict network access to critical systems.

Patching and Updates

Ensure that all systems running Apache ActiveMQ are updated to version 5.15.13 to patch the vulnerability.