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Date: Fri, 25 Apr 2014 08:09:18 +0000 (UTC)
From: "Lukasz Lenart (JIRA)" <jira@apache.org>
To: issues@struts.apache.org
Message-ID: <JIRA.12710485.1398395587029.179630.1398413358162@arcas>
In-Reply-To: <JIRA.12710485.1398395587029@arcas>
References: <JIRA.12710485.1398395587029@arcas>
Subject: [jira] [Commented] (WW-4332) refine excludeParams of
 ParametersInterceptor to improve security
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    [ https://issues.apache.org/jira/browse/WW-4332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13980785#comment-13980785 ] 

Lukasz Lenart commented on WW-4332:
-----------------------------------

Please open new request

> refine excludeParams of ParametersInterceptor to improve security 
> ------------------------------------------------------------------
>
>                 Key: WW-4332
>                 URL: https://issues.apache.org/jira/browse/WW-4332
>             Project: Struts 2
>          Issue Type: Improvement
>          Components: Core Interceptors
>    Affects Versions: 2.3.16.1
>            Reporter: zhouyanming
>            Assignee: Lukasz Lenart
>            Priority: Critical
>             Fix For: 2.3.16.2
>
>
> {code}
> (.*\.|^)class\..*
> {code}
> should be 
> {code}
> (.*\.|^)class(\.|\[).*,.*\['class'\](\.|\[).*,.*\["class"\](\.|\[).*
> {code}
> it will block such as
> {code}class['classLoader']  , model['class'].classLoader , model["class"].classLoader {code}
> I think use regex to block parameterName is not best solution,It must be done in ValueStack, seperate entry point , one for serverside, one for client side,client side should add more restriction and security checks.


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