Vendor:
The Apache Software Foundation
Severity:
Moderate
Versions Affected:
- Apache Solr 6.0.0 through 8.11.2
- Apache Solr 9.0.0 before 9.3.0
Description:
Insufficiently Protected Credentials vulnerability in Apache Solr.
This issue affects Apache Solr: from 6.0.0 through 8.11.2, from 9.0.0 before 9.3.0. 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. Users are recommended to upgrade to version 9.3.0 or 8.11.3, which fixes the issue. A single option now controls hiding Java system property for all endpoints, "-Dsolr.hiddenSysProps". By default all known sensitive properties are hidden (including "-Dbasicauth"), as well as any property with a name containing "secret" or "password".
Users who cannot upgrade can also use the following Java system property to fix the issue:
-Dsolr.redaction.system.pattern=".*(password|secret|basicauth).*"
Mitigation:
Users are recommended to upgrade to version 8.11.3, 9.3.0 or later, which has consistent systemProperty redaction logic.
Credit:
Michael Taggart (reporter)
References:
- JIRA - SOLR-16809
- CVE - CVE-2023-50291