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From "Knut Anders Hatlen (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5648) Unclear password expiry warning when using separate credentials db
Date Tue, 13 Mar 2012 06:57:39 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13228250#comment-13228250

Knut Anders Hatlen commented on DERBY-5648:

I agree that there's no strong reason to disallow SYSCS_MODIFY_PASSWORD completely in databases
that doesn't use NATIVE::LOCAL.

user doesn't exist locally. It is a valid concern that a non-DBO user can use this to fish
user names. However, that non-DBO user must be granted some admin rights by the DBO before,
so it must be a trusted user in the first place. Also, someone with those rights has a much
easier way to probe the user database: reset the password of a user account and then log on
using the fresh credentials.
> Unclear password expiry warning when using separate credentials db
> ------------------------------------------------------------------
>                 Key: DERBY-5648
>                 URL: https://issues.apache.org/jira/browse/DERBY-5648
>             Project: Derby
>          Issue Type: Improvement
>          Components: Services
>    Affects Versions:
>            Reporter: Knut Anders Hatlen
>            Priority: Minor
> If you log on to a database (other than the credentials db) and your password is about
to expire, you'll be advised to change your password using the SYSCS_UTIL.SYSCS_MODIFY_PASSWORD
procedure. However, the warning message does not say you need to log on to the credentials
db to change your password. This may lead the user to modify the password in the current database
instead of the credentials database, thinking everything is well.
> ij(CONNECTION1)> connect 'jdbc:derby:otherdb;user=test;password=abc';
> WARNING 01J15: Your password will expire in 0 day(s). Please use the SYSCS_UTIL.SYSCS_MODIFY_PASSWORD
 procedure to change your password.
> 0 rows inserted/updated/deleted
> ij(CONNECTION2)> connect 'jdbc:derby:otherdb;user=test;password=new-password';
> ERROR 08004: Connection authentication failure occurred.  Reason: Invalid authentication..
> Even though SYSCS_MODIFY_PASSWORD succeeds, the password has not been updated in the
credentials db.

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