On Fri, 2009-10-09 at 12:21 -0700, davisd wrote:
> Sorry for the public disclosure...  I did email django security after
> I posted.  I'm just getting into this open source goodness and I'm not
> really sure how it's supposed to operate yet.
> 
> I did consult the documentation: 
> http://docs.djangoproject.com/en/dev/internals/contributing/
> 
> Jacob:
> I'm running django from SVN
> Python 2.6.2
> I believe the Operating system is moot- it's all in the python.
> Linux kernel 2.6.31-11, but also 2.6.18.8 -
> 
> I'm wondering if a multithreaded webserver setup would be more guarded
> against this sort of thing?
> 

This bug has no effect on FreeBSD systems I've tested, so it looks like
it is OS specific.

FreeBSD 7.0, 7.1, 7.2 + python 2.5.4 work fine.

> $ time python -c "from django.forms.fields import email_re; 
> email_re.match('viewx3dtextx26q...@yahoo.comx26latlngx3d15854521645943074058');
>  import django; print django.VERSION"
(1, 1, 0, 'final', 0)

real    0m0.086s
user    0m0.055s
sys     0m0.029s


Linux 2.6.27 + python 2.5.4 fails.

> $ time python -c "from django.forms.fields import email_re; 
> email_re.match('viewx3dtextx26q...@yahoo.comx26latlngx3d15854521645943074058');
>  import django; print django.VERSION"
^CTraceback (most recent call last):
  File "<string>", line 1, in <module>
KeyboardInterrupt

real    0m21.317s
user    0m21.173s
sys     0m0.044s


Cheers

Tom


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