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https://issues.apache.org/struts/browse/WW-2692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44677#action_44677
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Musachy Barroso commented on WW-2692:
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It is fixed on trunk after the last commit, I added this to the testcase just
to be sure:
params.put("('\u0023'%2b'session[\'user5\']')(unused)", "0wn3d");
params.put("('\\u0023'%2b'session[\'user5\']')(unused)", "0wn3d");
the parameters interceptor doesn't have access to the named objects (#request,
#session, etc) anymore.
> XWork ParameterInterceptors bypass (OGNL statement execution) (XW-641)
> ----------------------------------------------------------------------
>
> Key: WW-2692
> URL: https://issues.apache.org/struts/browse/WW-2692
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7,
> 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.0.11.1, 2.1.0, 2.1.1, 2.1.2
> Reporter: Rene Gielen
> Assignee: Rene Gielen
> Priority: Critical
> Fix For: 2.0.11.2, 2.1.3
>
>
> Meder Kydyraliev of the Google Security Team reported a vulnerability to the
> XWork team that allows attackers to bypass security measures implemented in
> ParametersInterceptor to inject OGNL expressions.
> Since XWork is the foundation of Struts2, this must be considered a Struts2
> vulnerability as well.
> For a full description, see
> http://jira.opensymphony.com/secure/ViewIssue.jspa?key=XW-641
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