Full Disclosure mailing list archives
Re: silly PoCs continue: X-Frame-Options give you less than expected
From: xD 0x41 <secn3t () gmail com>
Date: Sun, 11 Dec 2011 10:25:41 +1100
Its awesome ... and works, but, yes conditions must be met for firefox8 still... this is 2011 ;s almost 12! this is, i guess a great PoC and info but, only some ppl realise the potentiall to this.... anyhow, thanks Mike,thats a GREAT job mate :) /xd On 11 December 2011 09:39, Michal Zalewski <lcamtuf () coredump cx> wrote:
At the risk of annoying everyone... I think we greatly underappreciate the extent to which JavaScript allows you to exploit the limits of human perception. On modern high-performance systems, windows can be opened, positioned, and closed; and documents loaded and then navigated away from; so quickly that we can't even reliably notice that, let alone react consciously. The PoC I posted here earlier this week (http://lcamtuf.coredump.cx/switch/) demonstrates one example of page transitions occurring so fast that you don't register it; and some of my earlier posts outlined the exploitation of page switching to exploit browser UIs (e.g. http://lcamtuf.coredump.cx/ffgeo2/). Today, I wanted to share this brief demonstration of an attack that should hopefully illustrate why our current way of thinking about clickjacking (and the possible defenses, such as X-Frame-Options) is flawed: http://lcamtuf.coredump.cx/clickit/ The basic idea here is that instead of placing the UI you want to tamper with in an invisible or only partly-visible <iframe>, you can achieve a similar effect simply by predicting the time of a premeditated click (which is fairly easy if you look at mouse velocity and distance to the expected destination), and then either destroying the current window, or navigating to a different document (in this case, a cheesy banking site). While everything about this exploit is extremely goofy, and I put no effort into making the transitions less obvious, it should still demonstrate the issue neatly. /mz _______________________________________________ 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/
Current thread:
- silly PoCs continue: X-Frame-Options give you less than expected Michal Zalewski (Dec 10)
- Re: silly PoCs continue: X-Frame-Options give you less than expected xD 0x41 (Dec 10)
- Re: silly PoCs continue: X-Frame-Options give you less than expected Dave (Dec 10)
- Re: silly PoCs continue: X-Frame-Options give you less than expected Christian Sciberras (Dec 10)
- Re: silly PoCs continue: X-Frame-Options give you less than expected Michal Zalewski (Dec 10)
- Re: silly PoCs continue: X-Frame-Options give you less than expected Christian Sciberras (Dec 11)
- Re: silly PoCs continue: X-Frame-Options give you less than expected Michal Zalewski (Dec 11)
- Re: silly PoCs continue: X-Frame-Options give you less than expected Michal Zalewski (Dec 10)