Description
Vulnerability in Apache Hadoop 0.23.x, 2.x before 2.7.5, 2.8.x before 2.8.3, and 3.0.0-alpha through 3.0.0-beta1 allows a cluster user to expose private files owned by the user running the MapReduce job history server process. The malicious user can construct a configuration file containing XML directives that reference sensitive files on the MapReduce job history server host.
Remediation
References
https://lists.apache.org/thread.html/a790a251ace7213bde9f69777dedb453b1a01a6d18289c14a61d4f91%40%3Cgeneral.hadoop.apache.org%3E