[SECURITY] CVE-2018-1314: Hive explain query not being authorized

[Daniel Dai <daijy () apache org>]

CVE-2018-1314: Hive explain query not being authorized

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected: This vulnerability affects all versions of Hive,
including 2.3.3, 3.1.0 and earlier

Description: 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.

Mitigation: all Hive users shall upgrade to 2.3.4 or 3.1.1 or later