Last updated on DECEMBER 08, 2015
Applies to:Big Data Appliance Integrated Software - Version 4.2.0 and later
On Oracle Big Data Appliance (BDA) 4.2.0, an unauthorized user overwrote a directory with Hive that they did not have write access to.
The parent directory and all sub directories were hive:hive with chmod permissions of 750.
User was ACL in for group r-x.
When the user ran the Hive query with the "Location" of the parent directory, the entire sub directory and all contents were overwritten with the Hive query output. All data was lost.
How to avoid this from occurring again?
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