[FFmpeg-devel] [rfc] ffmpeg security issue mailing list

wm4 nfxjfg at googlemail.com
Thu Feb 9 16:42:25 EET 2017


On Thu, 9 Feb 2017 15:27:03 +0100
Michael Niedermayer <michael at niedermayer.cc> wrote:

> On Thu, Feb 09, 2017 at 08:25:43AM +0100, wm4 wrote:
> > On Wed, 8 Feb 2017 22:07:24 +0100
> > Michael Niedermayer <michael at niedermayer.cc> wrote:
> >   
> > > Hi all
> > > 
> > > On Sat, Aug 08, 2015 at 03:51:11AM +0200, Michael Niedermayer wrote:  
> > > > On Fri, Aug 07, 2015 at 07:46:55PM -0400, compn wrote:    
> > > > > hello,
> > > > > 
> > > > > some of you know that we have a list for security / CVE issues.
> > > > > some of you did not know this.
> > > > > 
> > > > > i think it is a private list due to not wanting people to make exploits
> > > > > before we have a chance to fix them. of course, if no one is subscribed
> > > > > to review/fix issues then they will never get fixed.
> > > > > 
> > > > > so if you are a regular developer who wants access to this list, please
> > > > > speak up.
> > > > > 
> > > > > i do not run nor admin the security email/list (nor do i know who does)
> > > > > so please dont ask me questions about it.    
> > > > 
> > > > I guess, i "de facto" admin the security "email/list".
> > > > if someone wants to help with security issues, mail me
> > > > 
> > > > but there are no open security issues and if there was one i very
> > > > likely would fix it ASAP    
> > > 
> > > A small update due to never? before seen interrest in ffmpeg-security
> > > in the recent weeks/months
> > > 
> > > How to get on the ffmpeg-security "list"
> > > 
> > > People working on security in FFmpeg, thats maybe fixing many coverity
> > > issues, backporingt fixes to releases, maintaining FFmpeg releases, ...
> > > have an obsession with fixing bugs about undefined behavior or bugs
> > > about crashes and race conditions on trac. Or an obsession with testing
> > > every bugfix and who want and need access to ffmpeg-security should
> > > be on ffmpeg-security
> > > In short people on ffmpeg-security should need to be on ffmpeg-security
> > > If you fall in this kind of category, please mail me
> > > 
> > > Or someone who reviews commits and obtains CVE#s for everything that
> > > could be exploitable ...
> > > 
> > > I dont think we should give access to ffmpeg-security to everyone who
> > > wants to be on the list. This is of course something the community
> > > has to decide and not me, iam just err-ing on the safe side and am very
> > > restrictive on who is added.
> > > 
> > > About the content i must warn you the list is really not very
> > > interresting as in trying to find together with debian someone at
> > > chromium who knows what the CVEs they registered about FFmpeg actually
> > > are about ... and then it embarassingly is a patch on ffmpeg-devel
> > > that is stuck in review and not applied and now i can redo the releases ...
> > > ... Where are the people caring about security ? why did they not
> > > pick these 2 public patches up, change what they felt needs changing
> > > and pushed them ?
> > > and there are the fuzz samples that need more than 20sec, these are
> > > the main type of reported issue recently after ive succeeded to stop
> > > the oom kind.
> > > 
> > > Also there are no open security(*) issues i know of, and if there would
> > > be i likely would fix them ASAP. Not saying that help is unwelcome
> > > or that its impossible for me to make a mistake or miss something ...
> > > 
> > > (*) I assume here that fuzz samples taking more than 20sec or integer
> > > overflows in DSP code arent security issues. Iam working on fixing
> > > these too but for this category there are open issues.
> > > 
> > > PS: If you want access to the oss-fuzz reports, they all seem
> > > automatically public 7 days after being fixed
> > > 
> > > [...]
> > >   
> > 
> > I'd like to get on the ffmpeg-security mailing list to review patches.  
> 
> Thats appreciated, though theres a problem, there rarely are patches
> on that "list". Besides there is no mailing list this is just a mail
> alias
> 
> if i search for "~cffmpeg-security ~b\\+\\+\\+" i see only 54 matches
> in the whole history of the list in my inbox most of which are
> duplicates in quotes of replies
> so maybe there were less than 20 patches ever posted to that list.
> also patches tend to be CC-ed to developers knowing the code or commit
> related to a issue, like ronald and james for the http fix in december
> or paul and martin for the exr patch in august

If every patch on ffmpeg-security is posted to ffmpeg-devel too, and if
every such patch is clearly marked as security relevant, I won't insist
on being added.


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