[FFmpeg-devel] sws support xyz input floors MS Antivirus Program
michaelni at gmx.at
Fri May 3 10:25:13 CEST 2013
On Fri, May 03, 2013 at 01:39:52AM -0300, James Almer wrote:
> On 02/05/13 10:10 PM, Jan Ehrhardt wrote:
> > It may sound absurd, but Michael (with the help of Matthias Buerchers
> > and Nicolas Bertrands) has found a way to crash Microsoft Security
> > Essentials. After cross-compiling ffmpeg.exe from git head (on Ubuntu),
> > Security Essentials crashed as soon as I copied the result to my Windows
> > drive (which my build script automatically does). For lovers of creepy
> > stuff: http://www.toolsforresearch.com/msecrash.gif
> > Of course, I checked my system from head to toe if no rootkit or
> > anything like that had creeped in. I installed a second anivirus program
> > (AVG) to be sure and to be protected during the frequent crashes of MS
> > SE.
> > Doing a sort of Git bisect I tracked the culprit:
> > http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=0c47c9028be2cf4b1a557e653606fced5b959445
> > Every ffmpeg with sources before this one had no problems, every one
> > after this commit brought Security Essentials to its knees. Tested on my
> > own Win7Pro system and on two systems with Windows 2008 R2. I have
> > already submitted the ffmpeg-build as feedback to MS, but I doubt if
> > they will take any action soon.
> > I will check with Kyle Schwarz (Zeranoe) if he is experiencing the same.
> > His Windows builds stop at April 28, just before the xyz support patch.
> > http://ffmpeg.zeranoe.com/builds/
> > Jan
> I can confirm this. Something is making the MSE service crash, and you don't even need
> to run ffmpeg for it to happen (MSE simply needs to try to access the executable).
> It's been happening for a few days (Up-to-date Win7 x64 installation), and decidedly left
> me speechless as this is the first time I see an executable, and a clean one at that,
> crash an antivirus service.
> Microsoft will most likely have to deal with this and not us (It's unacceptable that their
> antivirus crashes like this). But until then, builds made with git head are a security
> concern for MSE users, and it's not good at all for ffmpeg.
someone should report this bug to MS if it hasnt been yet
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Good people do not need laws to tell them to act responsibly, while bad
people will find a way around the laws. -- Plato
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