Hello Gary,

thanks for the offer. I will sent you a edit-link for the article, here
is a comment-only version for people to check:

https://oasis.sandstorm.io/shared/prUMi3zkPMx9bdQ8X2vkX7nt7JW79G3b28IKhS_F8vQ

Greetings
Bernd


 Am Sun, 8 Nov 2015
12:20:55 -0800 schrieb Gary Gregory <garydgreg...@gmail.com>:

> Sounds good. I'll be happy to edit if you'd like.
> 
> Gary
> 
> On Sun, Nov 8, 2015 at 11:19 AM, Bernd Eckenfels
> <e...@zusammenkunft.net> wrote:
> 
> > Hello Gary,
> >
> > if we can release a fixed version quickly I would agree, but it is
> > not really needed for a reply to the ongoing FUD.
> >
> > A statement would be "the dicovered vulnerability is in applications
> > using JavaObject serialisation from untrusted sources and not
> > implementing additional precaution like whitelists or restricted
> > classloaders, it is not in one of the many example classes used by
> > the POC exploits. Neighter Spring, Groovy or Apache Commons are
> > responsible for the security bug.
> >
> > Even tough, Apache Commons plans to add some infrastructure for
> > restricting the currently most often used class for "gadget chains"
> > to not suport de-serialisationby default. This will be provided for
> > 3.2 and 4.0 branches (with an programmatic and system property
> > option to turn the old behavior back on)"
> >
> > I havent blogged on the ASF blogs yet, but I would be willing to
> > write on a text like that.
> >
> > Gruss
> > Bernd
> >
> >
> >  Am Sun, 8 Nov 2015
> > 10:22:12 -0800 schrieb Gary Gregory <garydgreg...@gmail.com>:
> >
> > > Hi All:
> > >
> > > What about agreeing on a plan before we post anything? My proposal
> > > would be to follow up on an idea posted on the dev ML: Use a
> > > system property to enable the risky feature. This would change
> > > the default behavior to disallow the feature. And possibly add a
> > > new config option on the problematic class to control the behavior
> > > programatically. If the prog config would override the sys prop.
> > > We can release a 3.x and 4.x version once we agree on a plan and
> > > then blog about it again.
> > >
> > > Thoughts?
> > >
> > > Gary
> > >
> > > On Sun, Nov 8, 2015 at 10:10 AM, Gabriel Lawrence <
> > > gabriel.lawre...@gmail.com> wrote:
> > >
> > > > If you guys want to put together a blog post about this, Chris
> > > > and I would be happy to help. We've tried to be pretty clear to
> > > > people that this isnt a problem with the libraries, but
> > > > something that should be addressed by the deserializer either
> > > > by not deserializing from a trusted source or by hacking in
> > > > their own way to whitelist types allowed to be deserialized.
> > > >
> > > > I think the core message is that object instantiation is code
> > > > execution, don't give untrusted folks the ability to instantiate
> > > > arbitrary objects or you are going to have a bad day. Pulling
> > > > together gadgets is a painful search, but the idea that you can
> > > > find them all and eliminate them seems flawed. There are likely
> > > > going to be things in your classpath that do stuff similar to
> > > > the set of gadgets Chris found that rely on the apache library
> > > > in tuns of other class libraries as well.
> > > >
> > > > Let us know. Since this broke out on twitter we've both been
> > > > trying hard to get the description of the root of the problem
> > > > to be changed. But, it seems to have stuck for some reason...
> > > > maybe because having it be a simple fix is just more desirable
> > > > to people :-) Even when it isn't.
> > > >
> > > > gabe
> > > >
> > > > On Sun, Nov 8, 2015 at 1:41 AM, Benedikt Ritter
> > > > <brit...@apache.org> wrote:
> > > >
> > > > > Hi,
> > > > >
> > > > > there is a lot of bad talk going on at twitter [1,2,3] and I'm
> > > > > wondering whether we should respond to this via the Apache
> > > > > blog.
> > > > >
> > > > > Thoughts?
> > > > > Benedikt
> > > > >
> > > > > [1]
> > > > > https://twitter.com/JustineTunney/status/662937508980723712
> > > > > [2] https://twitter.com/kennwhite/status/662709833464872960
> > > > > [3] https://twitter.com/jodastephen/status/663253106751180800
> > > > >
> > > > >
> > > > > --
> > > > > http://people.apache.org/~britter/
> > > > > http://www.systemoutprintln.de/
> > > > > http://twitter.com/BenediktRitter
> > > > > http://github.com/britter
> > > > >
> > > >
> > >
> > >
> > >
> >
> >
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> >
> >
> 
> 


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