Apache Spark supports end-to-end encryption of RPC connections via "spark.authenticate" and "spark.network.crypto.enabled". In versions 3.1.2 and earlier, it uses a bespoke mutual authentication protocol that allows for full encryption key recovery. After an initial interactive attack, this would allow someone to decrypt plaintext traffic offline. Note that this does not affect security mechanisms controlled by "spark.authenticate.enableSaslEncryption", "spark.io.encryption.enabled", "spark.ssl", "spark.ui.strictTransportSecurity". Update to Apache Spark 3.1.3 or later
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cve-icon MITRE Information

Status: PUBLISHED

Assigner: apache

Published: 2022-03-10T08:20:12

Updated: 2022-07-25T16:31:48

Reserved: 2021-08-09T00:00:00


Link: CVE-2021-38296

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2022-03-10T09:15:07.000

Modified: 2023-02-09T02:02:03.483


Link: CVE-2021-38296

JSON object: View

cve-icon Redhat Information

No data.

CWE