CVE-2023-46604 - Apache ActiveMQ RCE Vulnerability impacts Bamboo Data Center and Server

Summary of Vulnerability

Bamboo utilizes a third-party library ActiveMQ as part of its core services. Apache Active MQ has published a vulnerability (CVE-2023-46604) that allows Remote Code Execution (RCE). Because of the high severity of this Active MQ CVE, in the abundance of caution, we are publishing this advisory ahead of our regular schedule of advisories.

Severity

Apache Active MQ rates the severity level of this vulnerability as critical (10.0 with the following vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H).
Atlassian recommends you should evaluate its applicability to your own IT environment. 

Affected Versions

This RCE (Remote Code Execution) vulnerability affects all versions prior to the listed fix versions of Bamboo Data Center and Server. Atlassian recommends patching to the fixed LTS version or later.

What You Need To Do

Immediately patch to a fixed version

Atlassian recommends that you patch each of your affected installations to one of the listed fixed versions (or any later version) below.

Apply temporary mitigations if unable to patch

Alternatively, as an interim measure if you cannot upgrade, ensure that the Bamboo server is behind a firewall/VPC and only allows connections to the ActiveMQ broker ports from trusted sources.

The default ports for ActiveMQ are:

• TCP/54663

• TCP/54664

• TCP/54665

Please note these ports can be customized, please refer to the FAQ for further information.

Note: These mitigation actions are limited and not a replacement for patching your instance; you must patch as soon as possible.

Support

If you did not receive an email for this advisory, and you wish to receive such emails in the future go to https://my.atlassian.com/email and subscribe to Alerts emails. If you have questions or concerns regarding this advisory, please raise a support request at https://support.atlassian.com/.

References