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https://issues.apache.org/jira/browse/KUDU-1843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15864910#comment-15864910
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Todd Lipcon commented on KUDU-1843:
-----------------------------------
I think, though, we'd want to cache the original authenticated user, and then
on re-fetching, make sure that it matches. Otherwise one authenticated user
could still steal another authenticated user's result.
> Client UUIDs should be cryptographically random
> -----------------------------------------------
>
> Key: KUDU-1843
> URL: https://issues.apache.org/jira/browse/KUDU-1843
> Project: Kudu
> Issue Type: Improvement
> Components: security
> Affects Versions: 1.3.0
> Reporter: Todd Lipcon
> Priority: Critical
>
> Currently we use boost::uuid's default random generator, which is not
> cryptographically random. This may increase the ease with which an attacker
> could guess another client's client ID, which would potentially allow them to
> perform DoS or try to steal the results of RPCs from the result cache.
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