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https://issues.apache.org/jira/browse/SPARK-11652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15000858#comment-15000858
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Sean Owen commented on SPARK-11652:
-----------------------------------
I may be missing some point, but Spark isn't consuming serialized data from
untrusted sources in general, right? The risk here is way down the list of
risks if untrusted sources are sending closures to your cluster.
> Remote code execution with InvokerTransformer
> ---------------------------------------------
>
> Key: SPARK-11652
> URL: https://issues.apache.org/jira/browse/SPARK-11652
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Reporter: Daniel Darabos
> Priority: Minor
>
> There is a remote code execution vulnerability in the Apache Commons
> collections library (https://issues.apache.org/jira/browse/COLLECTIONS-580)
> that can be exploited simply by causing malicious data to be deserialized
> using Java serialization.
> As Spark is used in security-conscious environments I think it's worth taking
> a closer look at how the vulnerability affects Spark. What are the points
> where Spark deserializes external data? Which are affected by using Kryo
> instead of Java serialization? What mitigation strategies are available?
> If the issue is serious enough but mitigation is possible, it may be useful
> to post about it on the mailing list or blog.
> Thanks!
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