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Apache Hadoop 2.7.3 Privilege Escalation

Apache Hadoop 2.7.3 Privilege Escalation
Posted May 3, 2018
Authored by Freddie Rice

Apache Hadoop versions 2.2.0 through 2.7.3 suffer from a privilege escalation vulnerability.

tags | advisory
advisories | CVE-2016-6811
MD5 | e550fa2e94a003b7a35772a6cbf4b11f

Apache Hadoop 2.7.3 Privilege Escalation

Change Mirror Download
CVE-2016-6811: Apache Hadoop Privilege escalation vulnerability

Severity: Critical

Vendor: The Apache Software Foundation

Versions Affected:
All the Apache Hadoop versions from 2.2.0 to 2.7.3

Description:
A user who can escalate to yarn user can possibly run arbitrary commands as root user.

Mitigation:
Users should upgrade to 2.7.4 or upper.
If you are using the affected version of Apache Hadoop and there are
any users who can escalate to yarn user and cannot escalate to root user,
remove the permission to escalate to yarn user from them.

Credit:
This issue was discovered by Freddie Rice.

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