Description
ZKConfigurationStore which is optionally used by CapacityScheduler of Apache Hadoop YARN deserializes data obtained from ZooKeeper without validation. An attacker having access to ZooKeeper can run arbitrary commands as YARN user by exploiting this. Users should upgrade to Apache Hadoop 2.10.2, 3.2.4, 3.3.4 or later (containing YARN-11126) if ZKConfigurationStore is used.
Remediation
References
https://lists.apache.org/thread/g6vf2h4wdgzzdgk91mqozhs58wotq150
https://security.netapp.com/advisory/ntap-20221201-0003/
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