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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6619) After silently swallowing SecurityExceptions, Derby can leak class loaders
Date Tue, 19 Aug 2014 19:53:18 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14102722#comment-14102722
] 

ASF subversion and git services commented on DERBY-6619:
--------------------------------------------------------

Commit 1618955 from [~dagw] in branch 'code/trunk'
[ https://svn.apache.org/r1618955 ]

DERBY-6619 After silently swallowing SecurityExceptions, Derby can leak class loaders

Patch derby-6619 which prints warnings on derby.log if permissions are
missing to get and set the context class loader in
SingletonTimerFactory (which can lead to classloader leak). Also adds
a test of this by checking derby.log in SecureServerTest.

> After silently swallowing SecurityExceptions, Derby can leak class loaders
> --------------------------------------------------------------------------
>
>                 Key: DERBY-6619
>                 URL: https://issues.apache.org/jira/browse/DERBY-6619
>             Project: Derby
>          Issue Type: Bug
>          Components: Services
>            Reporter: Rick Hillegas
>            Assignee: Dag H. Wanvik
>         Attachments: derby-6619.diff, derby-6619.status, derby-6619b.diff, derby-6619c.diff,
derby.log
>
>
> As part of the fix for DERBY-3745, Derby silently swallows security exceptions and leaks
class loaders. This can give rise to denial-of-service attacks. At a minimum, Derby should
report the swallowed exceptions so that the security policy can be corrected and the application
can be hardened against this attack. The swallowing occurs at these locations:
> {noformat}
> org.apache.derby.impl.services.timer.SingletonTimerFactory run Catch java.lang.SecurityException
0 line 175
> org.apache.derby.impl.services.timer.SingletonTimerFactory run Catch java.lang.SecurityException
1 line 158
> {noformat}



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