CVE-2019-10099: Cryptographic Issues

August 7, 2019 (updated August 13, 2019)

In certain situations Spark would write user data to local disk unencrypted, even if spark.io.encryption.enabled=true. This includes cached blocks that are fetched to disk (controlled by spark.maxRemoteBlockSizeFetchToMem)

References

lists.apache.org/thread.html/c2a39c207421797f82823a8aff488dcd332d9544038307bf69a2ba9e@%3Cuser.spark.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2019-10099

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