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From "zhouyanming (JIRA)" <j...@apache.org>
Subject [jira] [Created] (WW-4332) refine excludeParams of ParametersInterceptor to improve security
Date Fri, 25 Apr 2014 03:13:21 GMT
zhouyanming created WW-4332:
-------------------------------

             Summary: 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
            Reporter: zhouyanming
            Priority: Critical


{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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