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Posted to mod_python-dev@quetz.apache.org by "Nicolas Lehuen (JIRA)" <ji...@apache.org> on 2005/03/25 22:54:19 UTC

[jira] Commented: (MODPYTHON-40) FieldStorage : don't stream file uploads to memory

     [ http://issues.apache.org/jira/browse/MODPYTHON-40?page=comments#action_61569 ]
     
Nicolas Lehuen commented on MODPYTHON-40:
-----------------------------------------

Two threads on this issue :

http://www.modpython.org/pipermail/mod_python/2005-March/017754.html

and 

http://www.modpython.org/pipermail/mod_python/2005-March/017756.html

> 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

>
> 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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