XDR *API* Security Impact

2008-04-14 Thread Thomas Roessler
One question that hasn't come up much is the security impact of the XDR *API* in likely deployments. I'd like to look at that a bit more in this message... Specifically, XDR is aiming at the kinds of cross-site data flows for which we currently use cross-site script tags. I.e., the user runs

Re: XDR *API* Security Impact

2008-04-14 Thread Jon Ferraiolo
[EMAIL PROTECTED] Subject XDR *API* Security Impact

Re: XDR *API* Security Impact

2008-04-14 Thread Thomas Roessler
On 2008-04-14 10:59:27 -0600, Kris Zyp wrote: AFAIK, Crockford's json.js library is effective in validating javascript such that JSON data can be properly executed without allowing arbitrary code execution. In addition, I would be surprised if we don't see native JSON evaluaters in browers

Re: XDR *API* Security Impact

2008-04-14 Thread Kris Zyp
I don't know whether most modern devs are using JSON, Yeah, I really don't have any data to back that up, I shouldn't make such claims :). But I think it is safe to say that many devs use it. More generically, I don't think that new cross-origin APIs that just return a string (but are