Opera (Mini) Android - Address Bar Spoofing Race Condition Bug.

12:56 PM

The (kind of this) bug was a originally found by Deusen and then by Rafay Baloch. Affecting the Android Web Browser, and Safari in both OSX and iOS.

Here is a simple PoC to demonstrate the issue; if you see the URL, it says dailymail.co.uk when in reality, the page is actually hosted at another website.

So far, Safari and the Android Browser have been confirmed vulnerable by Baloch on a blog post earlier today.

But now, I also noticed this bug can be produced at Opera Android and Opera Mini browsers. 
function f()

The code is hilariously simple to understand, webpage reloads roughly every 10 milliseconds (random) using the setInterval() function, just before the browser can get the real page and so the user sees the ‘real’ web address instead of the fake one.

There is another example Rafay used though, is really valuable for spammers/phishers. He used www.google.com/csi (the one you see in the URL), but hosted content actually is being delivered to attacker controlled site.

Another example would be, say a page X (malicious) hosts a page similar to dailymail.co.uk with malicious content and you get to click on something like
<a href="http://malicioussite.com">http://dailymail.co.uk</a>

Its very likely you will click on that, when you instead will be redirected to

malicioussite.com but that site will spoof the URL and you will see dailymail.co.uk in the URL.
There are uncountable possibilities about this bug that will be bad for the average joe, the people without no technical backgroud. 

Google reported releasing patches for Android Lollipop (5.0.x) on April 7, and for Android KitKat (4.4.x) on April 30.

You Might Also Like


  1. Your blog inspires me each time once I read it. I love reading blogs. I don't excite continually through reading blog posts. But to your blog I to find some thing that implies in running a blog. Anyway, you’re undoubted a satisfactory blogger and you have got a ability to make your reader to preserve reading your blog time and again. Preserve up the fantastic work. Proceed relocating the people! This is one of the interesting post. Since i'm new in blogging and that i require great instuction exercise your post.
    OOH media software

  2. Thankful such an awesome sum for sharing this glorious information! I am envisioning see more posts by you. I like visiting you site since I always come across interesting articles like this one. Great Job, I greatly appreciate that. Do keep sharing! Your information is good and friendly this article very helpful for me. Thanks for the post. After seeing the following post, I totally inspire from you and your blogs also respectively. It was nice articles and I also very enjoyed after read this. Thanks a lot sir. Best essay writing service


Note: Only a member of this blog may post a comment.