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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 42990] New: - modrewrite do not decode hex econde uri
Date Fri, 27 Jul 2007 17:00:32 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=42990

           Summary: modrewrite do not decode hex econde uri
           Product: Apache httpd-2
           Version: 2.0.54
          Platform: All
        OS/Version: Linux
            Status: NEW
          Keywords: TestID, RFC
          Severity: major
          Priority: P2
         Component: Other Modules
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: fiorenzi@tiscali.it


usind RewriteRule on proxy to match access to /cosole/  ofapplication server
console and to catch xss attack and redirect them outside has a problem

using on a virtual host this rewriterule:

RewriteRule ^/console/(.*) 	http://www.mynewdomain.it/$1 [L,P]


If I use on my browser http://www.mydomain.it/console/ it works
If I use on my browser http://www.mydomain.it/%63%6f%6e%73%6f%6c%65%2f that is
the hex format of "console/" it does not match and get an error like "The
requested URL /console/ was not found on this server"

using hex encoding I could potentially bypass Rewrite Engine rule, and bypass
proxy pass rule with result of access to part of site not available to everyone
and directory traversal of site or of proxy.

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