Re: Uploading JPEG's - Security Issues?
| From: | Jason Wong | Date: | Wed, 15 May 2002 19:31:39 +0000 |
| Subject: | Re: Uploading JPEG's - Security Issues? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-97790@lists.php.net to get a copy of this message | ||
On Thursday 16 May 2002 03:06, Miguel Cruz wrote:
> On Wed, 15 May 2002, Andre Dubuc wrote:
> > Actually, I figured out how to do it: a combination of checking:
> > if ( $_REQUEST['pix']['type'] == "image/jpeg")} blah, blah,
> > blah
>
> I'm pretty certain that the 'type' that appears here is just derived from
> the file name, and therefore is not trustworthy. Someone please correct me
> if I'm wrong (as if that's ever a problem...)
If you're using linux/unix then you might want to look at the 'file' program.
--
Jason Wong -> Gremlins Associates -> www.gremlins.com.hk
Open Source Software Systems Integrators
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