Severity: High Vendor: The Apache Software Foundation
Versions affected: Spark versions through 2.1.2 Spark 2.2.0 to 2.2.1 Spark 2.3.0 Description: In Apache Spark up to and including 2.1.2, 2.2.0 to 2.2.1, and 2.3.0, when using PySpark or SparkR, it's possible for a different local user to connect to the Spark application and impersonate the user running the Spark application. Mitigation: 1.x, 2.0.x, and 2.1.x users should upgrade to 2.1.3 or newer 2.2.x users should upgrade to 2.2.2 or newer 2.3.x users should upgrade to 2.3.1 or newer Otherwise, affected users should avoid using PySpark and SparkR in multi-user environments. Credit: Nehmé Tohmé, Cloudera, Inc. References: https://spark.apache.org/security.html
