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From "Owen Jacobson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DIRMINA-454) Trivial denial of service in TextLineDecoder
Date Sat, 06 Oct 2007 04:57:50 GMT

    [ https://issues.apache.org/jira/browse/DIRMINA-454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12532824
] 

Owen Jacobson commented on DIRMINA-454:
---------------------------------------

Oh, and by "trivial" I mean "run the following"

(while true; do echo -n yyyyyyyyyyyyyyyyyyyyyyyyyyy; done) | nc host port

and watch the JVM fall over.

> 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
>
> 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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