Hi, Please see below the official announcement of a critical security vulnerability that's discovered and subsequently fixed in Apache Hadoop releases.
Thanks and best regards, --Yongjun ---------- CVE-2016-5393: Apache Hadoop Privilege escalation vulnerability Severity: Critical Vendor: The Apache Software Foundation Versions Affected: Hadoop 2.6.x, 2.7.x Description: A remote user who can authenticate with the HDFS NameNode can possibly run arbitrary commands as the hdfs user. Mitigation: 2.7.x users should upgrade to 2.7.3 2.6.x users should upgrade to 2.6.5 Impact: A remote user who can authenticate with the HDFS NameNode can possibly run arbitrary commands with the same privileges as HDFS service. Credit: This issue was discovered by Freddie Rice. ----------
