Description
In Apache Spark 2.4.5 and earlier, a standalone resource manager's master may be configured to require authentication (spark.authenticate) via a shared secret. When enabled, however, a specially-crafted RPC to the master can succeed in starting an application's resources on the Spark cluster, even without the shared key. This can be leveraged to execute shell commands on the host machine. This does not affect Spark clusters using other resource managers (YARN, Mesos, etc).
Remediation
References
https://lists.apache.org/thread.html/r03ad9fe7c07d6039fba9f2152d345274473cb0af3d8a4794a6645f4b%40%3Cuser.spark.apache.org%3E
https://lists.apache.org/thread.html/ra0e62a18ad080c4ce6df5e0202a27eaada75222761efc3f7238b5a3b%40%3Ccommits.doris.apache.org%3E
https://lists.apache.org/thread.html/rb3956440747e41940d552d377d50b144b60085e7ff727adb0e575d8d%40%3Ccommits.submarine.apache.org%3E
https://lists.apache.org/thread.html/ree9e87aae81852330290a478692e36ea6db47a52a694545c7d66e3e2%40%3Cdev.spark.apache.org%3E
https://spark.apache.org/security.html#CVE-2020-9480
https://www.oracle.com/security-alerts/cpuApr2021.html
Related Vulnerabilities
CVE-2020-6458 Vulnerability in npm package electron
CVE-2017-2650 Vulnerability in maven package cprice404:pipeline-classpath
CVE-2019-10358 Vulnerability in maven package org.jenkins-ci.main:maven-plugin
CVE-2021-41183 Vulnerability in maven package org.webjars.npm:jquery-ui
CVE-2019-3875 Vulnerability in maven package org.keycloak:keycloak-server-spi-private