Joey Echeverria created HIVE-4487:
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Summary: Hive does not set explicit permissions on
hive.exec.scratchdir
Key: HIVE-4487
URL: https://issues.apache.org/jira/browse/HIVE-4487
Project: Hive
Issue Type: Bug
Affects Versions: 0.10.0
Reporter: Joey Echeverria
The hive.exec.scratchdir defaults to /tmp/hive-${user.name}, but when Hive
creates this directory it doesn't set any explicit permission on it. This means
if you have the default HDFS umask setting of 022, then these directories end
up being world readable. These permissions also get applied to the staging
directories and their files, thus leaving inter-stage data world readable.
This can cause a potential leak of data especially when operating on a Kerberos
enabled cluster. Hive should probably default these directories to only be
readable by the owner.
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