Re: The email that hacks you

[Bogdan Calin <bogdan () acunetix com>]

Thanks aditya,

The code is not published on the blog post but it's visible in the video.
It's very simple to reproduce this problem.

On 11/28/2012 1:53 PM, aditya wrote:
> I totally agree with Christian, it is as insane as passing username and passwords using GET
> requests. But congrats Bogdan for the bringing to us a nice hack.
>
> Have u shared the code as well Bogdan?
>
> On Wed, Nov 28, 2012 at 5:07 PM, Christian Sciberras <uuf6429 () gmail com <mailto:uuf6429 () gmail com>>
> wrote:
>
>     From an architectural perspective, "auto logins" or whatever they're called should work through
>     a random string, just as most providers already do.
>     There is absolutely no reason to pass the username/password from a URL, especially when in plain
>     text as in these cases.
>     Since there is no loss of features (there are safer, saner, sensible alternatives), I think this
>     is better considered a bug, since it is never actually needed in the first place.
>
>     Also, with the random token system, I think it is best to still require the user/pass when the
>     URL the user is directed to is going to do something such as modifying/updating stuff.
>
>
>     Chris.
>
>
>
>     On Wed, Nov 28, 2012 at 12:15 PM, Bogdan Calin <bogdan () acunetix com
>     <mailto:bogdan () acunetix com>> wrote:
>
>         Yes, I agree with you.
>
>         However, my opinion it that it should be fixed once and for all in iOS/Webkit (and the other
>         browsers) by disabling resources loaded with credentials.
>
>         At some point, as a protection for phishing, URLs with the format
>         scheme://username:password@hostname/ were disabled.
>         When you enter in the browser bar something like that it doesn't work in most browsers.
>
>         I was surprised to see that doing something like <image
>         src='scheme://username:password@hostname/path'> works in Chrome and Firefox but if you enter the
>         same URL in the browser bar it doesn't work. This doesn't work in Internet Explorer, which
>         is the
>         right behavior in my opinion.
>
>         I don't see any good reason why something like this should work. Closing this in browsers
>         will solve
>         this problem once and for all.
>
>         On 11/28/2012 1:00 PM, Guifre wrote:
>         > Hello,
>         >
>         > "I can also confirm that this attack works on iPhone, iPad and Mac's
>         > default mail client."
>         >
>         > Of course, it works anywhere where arbitrary client-side code can be
>         > executed... IMAHO, the issue here is not your iphone loading images,
>         > there are millions of attack vectors to trigger this attack... The
>         > problem is the CSRF weaknesses of your router admin panel that should
>         > be fixed by synchronizing a secret token or by using any other well
>         > known mitigation strategy against these attacks.
>         >
>         > Best Regards,
>         > Guifre.
>         >
>
>         --
>         Bogdan Calin - bogdan [at] acunetix.com <http://acunetix.com>
>         CTO
>         Acunetix Ltd. - http://www.acunetix.com
>         Acunetix Web Security Blog - http://www.acunetix.com/blog
>         Follow us on Twitter - http://www.twitter.com/acunetix
>
>         _______________________________________________
>         Full-Disclosure - We believe in it.
>         Charter: http://lists.grok.org.uk/full-disclosure-charter.html
>         Hosted and sponsored by Secunia - http://secunia.com/
>
>
>
>     _______________________________________________
>     Full-Disclosure - We believe in it.
>     Charter: http://lists.grok.org.uk/full-disclosure-charter.html
>     Hosted and sponsored by Secunia - http://secunia.com/
>
>
>
>
> -- 
> Regards
> Aditya Balapure

-- 
Bogdan Calin - bogdan [at] acunetix.com
CTO
Acunetix Ltd. - http://www.acunetix.com
Acunetix Web Security Blog - http://www.acunetix.com/blog
Follow us on Twitter - http://www.twitter.com/acunetix

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/