CVE-2016-5393: Apache Hadoop Privilege escalation vulnerability

[Yongjun Zhang <yjzhangal () apache org>]

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

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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.

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