Re: Intent to Implement- Double-keyed HTTP cache

2019-11-13 Thread Anne van Kesteren
On Wed, Aug 21, 2019 at 7:40 PM Sebastian Streich wrote: > Estimated or target release: Firefox 70 The plan is to enable this on Firefox 72 Nightly to see if there's any fallout that needs addressing. It will not ride the trains. This is tracked by

Re: Intent to Implement- Double-keyed HTTP cache

2019-08-22 Thread dom
On Thursday, August 22, 2019 at 11:26:55 AM UTC+9, Martin Thomson wrote: > Hi Sebastian, > > I'm glad to see us moving toward having better isolation in this way. > > In discussions of this sort of keying strategy, the guidance I repeatedly > hear is that "double-keying" isn't sufficient and

Re: Intent to Implement- Double-keyed HTTP cache

2019-08-22 Thread Anne van Kesteren
On Thu, Aug 22, 2019 at 4:26 AM Martin Thomson wrote: > What is the tuple we're keying on? Top-level origin only. This still allows C to attack B in your scenario (or vice versa). There's a variety of other side channel attacks on " sites" too, including various members of the Window object,

Re: Intent to Implement- Double-keyed HTTP cache

2019-08-21 Thread Martin Thomson
Hi Sebastian, I'm glad to see us moving toward having better isolation in this way. In discussions of this sort of keying strategy, the guidance I repeatedly hear is that "double-keying" isn't sufficient and that you need to key on the chain of origins. That is, if A frames B and C, and B in