Note:
This project will be discontinued after December 13, 2021. [more]
2017-03-23
Apache Hadoop 0.23.x before 0.23.11 and 2.x before 2.4.1, as used in Cloudera CDH 5.0.x before 5.0.2, do not check authorization for the (1) refreshNamenodes, (2) deleteBlockPool, and (3) shutdownDatanode HDFS admin commands, which allows remote authenticated users to cause a denial of service (DataNodes shutdown) or perform unnecessary operations by issuing a command.
| Products | Hadoop, Cdh |
| Type | Permissions, Privileges, and Access Controls (CWE-264) |
| First patch | - None (likely due to unavailable code) |
| Links | https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#concept_i1q_xvk_2r |