can I prohibit users from loading swf files by AS3 / Flash Loader.load() and only allow loading imag

Posted by EndangeringSpecies on Stack Overflow See other posts from Stack Overflow or by EndangeringSpecies
Published on 2010-04-01T20:34:14Z Indexed on 2010/04/05 16:13 UTC
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as3

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flash

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swfloader

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image

I want to have an AS3 app load images from url supplied by the user. But I don't want a malicious user to be able to load an SWF file in place of the image, such as with an altered extension "maliciousSwf.png". Well, not sure how big a security threat that is above and beyond the ability of the hacker to decompile swf, but I think that ideally such behavior should not be allowed.

So, is there any way to prevent this? When people allow users to load images in their Flash apps, do they somehow guard against loading of SWF? Or is this really absolutely no big deal?

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