Description
In Apache Hive 2.3.3, 3.1.0 and earlier, Hive "EXPLAIN" operation does not check for necessary authorization of involved entities in a query. An unauthorized user can do "EXPLAIN" on arbitrary table or view and expose table metadata and statistics.
Remediation
References
http://www.securityfocus.com/bid/105884
https://lists.apache.org/thread.html/3da47dbcbf09697387f29d2f1aed970523b6b334d93afd3cced23727%40%3Cdev.hive.apache.org%3E
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