How to find Apache ActiveMQ® instances
On October 25th the Apache team announced a vulnerability (CVE-2023-46604) in ActiveMQ that
could lead to unauthenticated remote code execution. Shortly after the issue was disclosed exploits started to appear and the Rapid7 MDR team posted a blog speculating that this vulnerability is being used to
deliver ransomware. The Apache ActiveMQ project scored this as CVSS 3.1: AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H(10.0).
What is Apache ActiveMQ®?
ApacheMQ® is an open source message broker written in Java that supports AMQP, MQTT, STOMP, and JMS clients. Apache ActiveMQ describes itself as “the most popular open source, multi-protocol, Java-based message broker. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms.”. ActiveMQ is used for custom application development and is often embedded into commercial product stacks.
Are updates available?
The Apache ActiveMQ team has addressed this issue in versions 5.18.3, 5.17.6, 5.16.7, and 5.15.16, with the appropriate update dependent on which minor version is used.
How do I find potentially vulnerable versions of ActiveMQ with runZero?
Apache ActiveMQ services can be found by navigating to the Asset Inventory and using the following query:
port:61616 OR product:activemq OR protocol:activemq
Results from the above query should be triaged to determine if they require patching or vendor intervention.
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