Apache Spark proxy-user privilege escalation from malicious configuration class

In Apache Spark versions prior to 3.4.0, applications using spark-submit can specify a 'proxy-user' to run as, limiting privileges. The application can execute code with the privileges of the submitting user, however, by providing malicious configuration-related classes on the classpath. This affects architectures relying on proxy-user, for example those using Apache Livy to manage submitted applications. Update to Apache Spark 3.4.0 or later, and ensure that spark.submit.proxyUser.allowCustomClasspathInClusterMode is set to its default of "false", and is not overridden by submitted applications.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

特权管理不恰当

Apache Spark 安全漏洞

Apache Spark是美国阿帕奇（Apache）基金会的一款支持非循环数据流和内存计算的大规模数据处理引擎。 Apache Spark 3.4.0之前版本存在安全漏洞。攻击者利用该漏洞获得特权从而执行任意代码。

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