CVE-2022-29063: Java Deserialization via RMI Connection in Apache OfBiz

The OfBiz Solr plugin is configured by default to automatically make a RMI request on localhost, port 1099. By hosting a malicious RMI server on localhost, an attacker may exploit this behavior, at server start-up or on a server restart, in order to run arbitrary code as the user that started OfBiz and potentially elevate his/her privileges.

Vendor Disclosure:

The vendor's disclosure and fix for this vulnerability can be found here.

Requirements:

This vulnerability requires:

• Run a malicious RMI server on localhost:1099
• Wait for Apache OfBiz application to start/restart

Proof Of Concept:

More details and the exploitation process can be found in this PDF.