[FFmpeg-devel] [PATCH 3/3] avcodec/bink: disallow odd positioned scaled blocks

[Michael Niedermayer]

On Tue, Jul 12, 2022 at 08:20:18PM +0200, Michael Niedermayer wrote:
> On Tue, Jun 14, 2022 at 12:09:59AM +0200, Michael Niedermayer wrote:
> > On Tue, Jun 14, 2022 at 12:01:14AM +0200, Paul B Mahol wrote:
> > > On Mon, Jun 13, 2022 at 11:55 PM Michael Niedermayer <michael at niedermayer.cc>
> > > wrote:
> > > 
> > > > On Mon, Jun 13, 2022 at 10:02:24AM +0200, Paul B Mahol wrote:
> > > > > Have you checked this with longer samples?
> > > >
> > > > ive tested it with the files in the bink directory on samples
> > > > anything else i should test it with ?
> > > >
> > > 
> > > Something longer, where is big gap between keyframes.
> > 
> > I would have thought that some of the 46 files in the samples archieve
> > would have adequate gaps.
> > Can you share some better test file ?
> 
> ping ?
> anyone has more files i should test ?
> if not, i suggest to apply this

google will publish this report in 5 days
just a reminder this is a out of array write and it will be very easily
searchable so anyone looking for unfixed bugs to exploit will try to
exploit this

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Breaking DRM is a little like attempting to break through a door even
though the window is wide open and the only thing in the house is a bunch
of things you dont want and which you would get tomorrow for free anyway
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