Description
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.
Remediation
References
https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#concept_i1q_xvk_2r
Related Vulnerabilities
CVE-2011-1077 Vulnerability in maven package org.apache.archiva:archiva
CVE-2014-3500 Vulnerability in npm package cordova-android
CVE-2014-3600 Vulnerability in maven package org.apache.activemq:activemq-client
CVE-2020-27838 Vulnerability in maven package org.keycloak:keycloak-server-spi-private
CVE-2015-5262 Vulnerability in maven package org.apache.httpcomponents:httpclient