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Posted to bugs@httpd.apache.org by bu...@apache.org on 2007/07/27 19:00:32 UTC

DO NOT REPLY [Bug 42990] New: - modrewrite do not decode hex econde uri

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           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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DO NOT REPLY [Bug 42990] - modrewrite do not decode hex econde uri

Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
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<http://issues.apache.org/bugzilla/show_bug.cgi?id=42990>.
ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND�
INSERTED IN THE BUG DATABASE.

http://issues.apache.org/bugzilla/show_bug.cgi?id=42990


fiorenzi@tiscali.it changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |FIXED




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DO NOT REPLY [Bug 42990] - modrewrite do not decode hex econde uri

Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
<http://issues.apache.org/bugzilla/show_bug.cgi?id=42990>.
ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND�
INSERTED IN THE BUG DATABASE.

http://issues.apache.org/bugzilla/show_bug.cgi?id=42990


slive@apache.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




------- Additional Comments From slive@apache.org  2007-07-30 10:25 -------
So, why exactly didn't you read/respond to the thread that you raised on
users@httpd.apache.org before filing this bug?

Anyway, the character '/' is in the RFC 2396 "reserved" set and is therefore not
equivalent to its hex encoding. Apache httpd ALWAYS responds with a 404 to
requests containing %2f unless AllowEncodedSlashes is set on. Therefore there is
no possibility to bypass rewriterules.

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DO NOT REPLY [Bug 42990] - modrewrite do not decode hex econde uri

Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
<http://issues.apache.org/bugzilla/show_bug.cgi?id=42990>.
ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND�
INSERTED IN THE BUG DATABASE.

http://issues.apache.org/bugzilla/show_bug.cgi?id=42990


fiorenzi@tiscali.it changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |




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