[vorbis-dev] Will Vorbis happily decode packets with random data?

Monty xiphmont at xiph.org
Wed Aug 8 11:47:34 PDT 2001



On Wed, Aug 08, 2001 at 08:59:01AM -0700, Scott Manley wrote:
> I'm searching for a similar trick for checking files to be added to
> myplay.
> 
> > If it will notice the problem, then I can check for valid Vorbisness by
> > decoding the file.  If not, then I'll need to think of something else.
> 
> Ummm - isn't this a bad idea if the files is designed to exploit a
> buffer overflow in the decoder? Unless your scanning server is running
> in a non-target environment?

Static buffers have been a known risk for 20 years and only lazy,
piss-poor programmers (the majority, I grant you) would write code
today that could be overrun.  If you can find a buffer overrun in
Vorbis, a case of whatever brew you prefer is on me.

Monty

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