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From "Adrian Crum (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IO-487) ValidatingObjectInputStream contribution - restrict which classes can be deserialized
Date Thu, 19 Nov 2015 17:04:11 GMT

    [ https://issues.apache.org/jira/browse/IO-487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15013889#comment-15013889
] 

Adrian Crum commented on IO-487:
--------------------------------

Without the class name, the exception is not useful to the developer. What information is
being disclosed to an attacker? If I try to exploit code by desrializing MyExploit.class,
and the exception says "Class 'MyExploit' not accepted" - what information have I gained?

> ValidatingObjectInputStream contribution - restrict which classes can be deserialized
> -------------------------------------------------------------------------------------
>
>                 Key: IO-487
>                 URL: https://issues.apache.org/jira/browse/IO-487
>             Project: Commons IO
>          Issue Type: Improvement
>          Components: Utilities
>    Affects Versions: 2.4
>            Reporter: Bertrand Delacretaz
>            Priority: Minor
>              Labels: patch
>             Fix For: 2.5
>
>         Attachments: IO-487-2.patch, IO-487-accept-reject-2.patch, IO-487-accept-reject.patch,
IO-487-matchers.patch, IO-487-name-regex-acceptor.patch, IO-487.patch, IO-487.patch, IO-487.patch,
IO-487.patch, IO-487.patch, IO-487.patch, IO-487.patch
>
>
> As discussed on the commons dev list I'd like to contribute my SLING-5288 code to commons-io.
I'll attach a patch.



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