Stut wrote:

> Per Jessen wrote:
>> Eric Butera wrote:
>> 
>>> You should never use exec & friends when there is another way around
>>> the problem.  It is a security concern.
>> 
>> Why is it a security concern to execute another bit of code?
>> 
>> I really fail to see any security concern in doing e.g.
>> 
>> exec('gzip -c /tmp/myinputfile')
> 
> Do that per request and it becomes a lot easier to DOS the server. Not
> a 'security' risk so much as a stability risk, but a risk all the
> same.

Make any PHP-based script available without usage-restriction, and
you've got yourself a DDOS potential.  Using exec() doesn't change
anything.



/Per Jessen, Zürich

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