Apache Struts 2 Remote Code Execution (CVE-2017-5638)

Description

HipChat Server has a version of the Apache Struts2 that is vulnerable to remote network attackers who can potentially execute code on vulnerable versions of HipChat Server to:

• Execute remote code of their choice
• Make http requests to local and internal services

To exploit this issue, attackers need to have network access to a HipChat Server instance.

Affected versions
All versions of HipChat Server before version 2.2.2 are affected by this vulnerability.
                                                               
Fix

We have taken the following steps to address these issues:

• Released a patch for customers.
• Released HipChat Server version 2.2.2 that contains a fix for the issue.

For additional details see the full advisory.