Vulnerability	Vulnerable Version
M Exposure of Sensitive Information to an Unauthorized Actor org.apache.solr:solr-solrj is a high-performance, full featured text search engine library written in Java. Affected versions of this package are vulnerable to Exposure of Sensitive Information to an Unauthorized Actor due to the use of a `zkHost` parameter that allows users to extract data from other Solr Clouds. When the original SolrCloud is configured to use ZooKeeper credentials and ACLs, these credentials are sent to any `zkHost` specified by the user. An attacker could exploit this by setting up a mock ZooKeeper server that accepts ZooKeeper requests with credentials and ACLs to extract sensitive information. Streaming Expressions are exposed via the "/streaming" handler, with "read" permissions. How to fix Exposure of Sensitive Information to an Unauthorized Actor? Upgrade `org.apache.solr:solr-solrj` to version 8.11.3, 9.4.1 or higher.	[6.0.0,8.11.3)[9.0.0,9.4.1)

Exposure of Sensitive Information to an Unauthorized Actor

org.apache.solr:solr-solrj is a high-performance, full featured text search engine library written in Java.

Affected versions of this package are vulnerable to Exposure of Sensitive Information to an Unauthorized Actor due to the use of a zkHost parameter that allows users to extract data from other Solr Clouds. When the original SolrCloud is configured to use ZooKeeper credentials and ACLs, these credentials are sent to any zkHost specified by the user. An attacker could exploit this by setting up a mock ZooKeeper server that accepts ZooKeeper requests with credentials and ACLs to extract sensitive information. Streaming Expressions are exposed via the "/streaming" handler, with "read" permissions.

How to fix Exposure of Sensitive Information to an Unauthorized Actor?

Upgrade org.apache.solr:solr-solrj to version 8.11.3, 9.4.1 or higher.

[6.0.0,8.11.3)[9.0.0,9.4.1)

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