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From "Nicolas Lehuen (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (MODPYTHON-40) FieldStorage : don't stream file uploads to memory
Date Wed, 06 Apr 2005 06:32:17 GMT
     [ http://issues.apache.org/jira/browse/MODPYTHON-40?page=history ]
Nicolas Lehuen resolved MODPYTHON-40:

     Resolution: Fixed
    Fix Version: 3.2.0

Fix by Barry Pearce - see the python-dev archives on GMane (sorry, the message has not been
indexed by GMane yet) for an explanation of the fixes.

> FieldStorage : don't stream file uploads to memory
> --------------------------------------------------
>          Key: MODPYTHON-40
>          URL: http://issues.apache.org/jira/browse/MODPYTHON-40
>      Project: mod_python
>         Type: Bug
>     Versions: 3.1.4
>     Reporter: Nicolas Lehuen
>      Fix For: 3.2.0

> In mod_python.py/util.py, line 169, we stream a file upload to disk only if its Content-Disposition
header features a filename attribute. Otherwise, the file is streamed to memory, thus opening
a potential DoS attack by uploading very large files.
> We should :
> 1) Always stream file upload to disk
> 2) Define a default maximum file size which could be overridable.
> 3) Allow for the user to specify in which directory file uploads should be made, with
a default to a temporary directory / file.

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