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Posted to jira@kafka.apache.org by "ilatypov (via GitHub)" <gi...@apache.org> on 2023/03/22 14:47:15 UTC

[GitHub] [kafka] ilatypov commented on pull request #3563: Added safe deserialization impl

ilatypov commented on PR #3563:
URL: https://github.com/apache/kafka/pull/3563#issuecomment-1479703703

   Blacklisting is a poor defense against known and unknown abuses of class constructors.  I apologize for criticizing without offering a better fix.  I see newer JDKs come with a programmatic object input filter configuration, as well as with a run-time java.security configuration, both of which were requested by JEP 290.
   
   https://docs.oracle.com/javase/10/core/serialization-filtering1.htm
   
   Is it possible to have a sensible white list in Kafka?  I know very little about it, sorry.
   


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