QID 150800

Apache Solr is an open-source enterprise search platform which is on Apache Lucene.

The installed version of Apache Solr is vulnerable to Information Exposure through the Solr Metrics API. Currently there are two APIs to get the sysProps from a Solr process "/admin/info/properties" and "/admin/info/metrics" One of the two endpoints that publishes the Solr process' Java system properties, /admin/info/properties, was only setup to hide system properties that had "password" contained in the name. There are a number of sensitive system properties, such as "basicauth" and "aws.secretKey" do not contain "password", thus their values were published via the "/admin/info/properties" endpoint. This endpoint populates the list of System Properties on the home screen of the Solr Admin page, making the exposed credentials visible in the UI.

This /admin/info/properties endpoint is protected under the "config-read" permission. Therefore, Solr Clouds with Authorization enabled will only be vulnerable through logged-in users that have the "config-read" permission.

Affected Versions:
Apache Solr 6.0.0 through 8.11.2
Apache Solr 9.0.0 before 9.3.0

QID Detection Logic (Unauthenticated) :
This QID checks for vulnerable version of Apache Solr running on the target application.

Successful exploitation would lead to Information Disclosure vulnerability, which can help the attacker carry out further attacks and obtain sensitive information.