[jira] Updated: (DIRMINA-454) Trivial denial of service in TextLineDecoder

["Owen Jacobson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DIRMINA-454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen Jacobson updated DIRMINA-454:
----------------------------------

    Attachment: no-dos.patch

Attached a patch that should resolve it.  I was unable to submit "too long" messages using either decoding path.

> Trivial denial of service in TextLineDecoder
> --------------------------------------------
>
>                 Key: DIRMINA-454
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-454
>             Project: MINA
>          Issue Type: Bug
>          Components: Filter
>    Affects Versions: 1.1.2
>            Reporter: Owen Jacobson
>         Attachments: no-dos.patch
>
>
> In both of TextLineDecoder's decoding methods, the decoder only checks the size of input after it's found at least one line ending character.  Infinitely long streams of, say, 'y's will cause the decoder to try to buffer up data until the JVM falls over.

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