Five Chrome bug bounty hunters split $14,000 in rewards as Google patches nine security flaws in its browser, four are labeled “high”.
What it’s about
The security issue was discovered by David Leo, who put together a proof-of-concept for it. When clicking on OK a new website is being loaded. While the address bar tells you that you are visiting dailymail.co.uk the actual page is definitely a different one.
The URL-spoofing itself is done with just a few lines of code:
The last part, setInterval(“f()”,10); , makes sure that the address bar is reloaded ever 10 milliseconds (so you might as well say, that it’s kind of a DDoS attack, too), just before the browser can get the real page and so the user sees the “real” web address instead of the fake one. This causes the spoofed URL to flicker; sometimes it’s even possible to briefly see the actual URL.
What you can do
Your first step should always be to make sure that your browser is up to date so that security updates can be installed once available. In addition to that open up the Safari settings, go to the advanced tab, and choose “Show full website address”. The browser will then show the results of MathRandom in the address bar.
Alternatively you could also just use another browser for the time being: The code will not work in Google Chrome and Mozilla Firefox.
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