CVE-2017-3162: Apache Hadoop DataNode web UI vulnerability

CVE-2017-3162: Apache Hadoop DataNode web UI vulnerability

Severity: Important

Vendor: The Apache Software Foundation

Versions affected: Hadoop 2.6.x and earlier

Description:
HDFS clients interact with a servlet on the DataNode to browse the
HDFS namespace. The NameNode is provided as a query parameter that is
not validated.

Mitigation:
Users of Apache Hadoop 2.6.x and earlier should upgrade to Hadoop
2.7.0 or later.

Credit:
This issue was discovered by Sunil Yadav.