CVE-2023-22946

Summary

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.

Affected Software

Weaknesses

• CWE-269: CWE-269 Improper Privilege Management

ADP Enrichment

CVE Program Container

Additional References

• https://lists.apache.org/thread/yllfl25xh5tbotjmg93zrq4bzwhqc0gv

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://lists.apache.org/thread/yllfl25xh5tbotjmg93zrq4bzwhqc0gv

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