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From "Tao Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17152) Improve security of random generator for HS2 cookies
Date Mon, 24 Jul 2017 20:32:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16099081#comment-16099081
] 

Tao Li commented on HIVE-17152:
-------------------------------

[~susanths], [~vgumashta] Can you please take a look at this change?

> Improve security of random generator for HS2 cookies
> ----------------------------------------------------
>
>                 Key: HIVE-17152
>                 URL: https://issues.apache.org/jira/browse/HIVE-17152
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>            Reporter: Tao Li
>            Assignee: Tao Li
>         Attachments: HIVE-17152.1.patch
>
>
> The random number generated is used as a secret to append to a sequence and SHA to implement
a CookieSigner. If this is attackable, then it's possible for an attacker to sign a cookie
as if we had. We should fix this and use SecureRandom as a stronger random function .
> HTTPAuthUtils has a similar issue. If that is attackable, an attacker might be able to
create a similar cookie. Paired with the above issue with the CookieSigner, it could reasonably
spoof a HS2 cookie.



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