#ANGULAR 2 JSON EDITOR CODE#
#ANGULAR 2 JSON EDITOR DOWNLOAD#

Implement caching and that the user canвЂ™t override that accidentally. Point youвЂ™re trusting that the browser and all proxy servers correctly You could try setting No-Cache headers, but at that In that case, when the browser makes the GET requestДЇor the script, the request might get fulfilled from the browser cache Request for that JSON in which case it may well be cached in the userвЂ™sД«rowser or in some proxy server in between the victimвЂ™s browser and the

That at some point in the past, the user may have made a legitimate GET The problem with this (as a couple of co-workers pointed out to me) is Most client libraries send one or the other of these headers, but aД«rowserвЂ™s GET request in response to a script tag would not. GET request?вЂќ I too thought this might be a great mitigation because Some of you might be wondering, вЂњwhy not have the JSON service check forДЄ special header such as the X-Requested-With: XMLHttpRequest orД¬ontent-Type: application/json before serving it up in response to a Methods, making the вЂњdвЂќ fix kind of awkward. With ASP.NET MVC (and other similar frameworks), a significant number ofДevelopers are not using client generated proxies (we donвЂ™t have them)Д«ut instead using jQuery and other such libraries to call into these The end-user doesnвЂ™t need to know it was ever there. Generated client proxies for these services strip the вЂњdвЂќ property so While it might seem odd to have to go through this property to getДЄccess to your data, this awkwardness is eased by the fact that the Object with the вЂњdвЂќ property as I wrote about a while Into this JSON service, you need to make sure you issue a POST requestДЄSP.NET and WCF JSON service endpoints actually wrap their JSON in an ForД®xample, $.getJSON issues a GET request by default. JQuery request JSON using a GET request by default, not POST. One issue with this approach is that many JavaScript libraries such as

Suppose the Vulnerable Website returns JSON with sensitive data via an

Note that the following demonstration is not specific to ASP.NET orДЄSP.NET MVC in any way, I just happen to be using ASP.NET

#ANGULAR 2 JSON EDITOR DOWNLOAD#

You can download and run) which demonstrates this attack.

#ANGULAR 2 JSON EDITOR CODE#

To gain a deeper understanding, it may help to see actual code (which This loads the JSON array asД®xecutable JavaScript and now the bad guy has access to this data. The JSON containing sensitive information using the browserвЂ™sД¬redentials (aka the auth cookie). The bad guy has tricked the victimвЂ™s browser to issue a request for When the browser sees the script tag, it makesДЄnother GET request back to the vulnerable site to load the script, The website responds with some HTML containing some JavaScript along When the victimД¬licks on the link, the next two steps happen in quick succession.ДЇirst, the victimвЂ™s browser makes a request for the bad guyвЂ™s website. The victim with an email promising a hilariously funny video of aД«ut the link actually points to the bad guyвЂ™s website. Vulnerable site issues an authentication cookie, which the browser holdsДЄt some point, either in the past, or the near future, the bad guy spams The unwitting victim logging into the vulnerable site, and the IвЂ™m terrible with Visio, but I thought IвЂ™d give it my best shot and try Vulnerable to this particular vulnerability (though there could be Thus if you never send sensitive data in JSON format, or you only send

вЂ¦the browser making the request supports the _defineSetter_.

вЂ¦the browser making the request has JavaScript enabled (very likely.

This vulnerability requires that you are exposing a JSON service whichвЂ¦ It has been demonstrated against Twitter in theД«efore I go further, let me give you the punch line first in terms of It was brought to my attention recently by someone atДemonstrated it at the Norwegian Developers Conference last week, though However, thereвЂ™s another related exploit that seems to affect many moreД«rowsers. Particular exploit involved overriding the JavaScript ArrayД¬onstructor to disclose the payload of a JSON array, something which Which could result in the disclosure of sensitive information.

Angular 2 json editor