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Posted to dev@tapestry.apache.org by "Howard M. Lewis Ship (JIRA)" <ji...@apache.org> on 2010/09/25 00:34:33 UTC

[jira] Commented: (TAP5-1004) X-Tapestry-ErrorMessage may lead to HTTP Response Splitting

    [ https://issues.apache.org/jira/browse/TAP5-1004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12914685#action_12914685 ] 

Howard M. Lewis Ship commented on TAP5-1004:
--------------------------------------------

I'm not sure this occurs, at least not with Jetty (I haven't tried with Tomcat).  I'm seeing the whitespace in the message reduced.

> X-Tapestry-ErrorMessage may lead to HTTP Response Splitting
> -----------------------------------------------------------
>
>                 Key: TAP5-1004
>                 URL: https://issues.apache.org/jira/browse/TAP5-1004
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.1.0.5
>            Reporter: Paul Rehrl
>            Assignee: Howard M. Lewis Ship
>
> The DefaultRequestExceptionHandler sets the X-Tapestry-ErrorMessage header but fails to sanitize or encode the error message. This enables an attacker to inject malicious HTTP headers or to provide a 2nd HTTP response.

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