Saturday 6 September 2008

Google Chrome - Crash the browser :P


Okay so this is a quick post on how to crash google chrome (not that you would want to do it, but just for fun).
  • This one was discovered by Rishi Agarwal, one of my hostel-mates: type in 'About:%' in the address bar, without the quotes, and the browser with all its tabs crashes instantly (even before you press the enter key). I think chrome was all about sandboxing of tabs... but apparently theres still some work to be done.
    (Correction: I just realized here that just typing in ':%' is enough to crash the browser!)
  • For those interested in crashing Chrome through some under the cover techniques, check out this and this
    “An issue exists in how chrome behaves with undefined-handlers in chrome.dll version 0.2.149.27. A crash can result without user interaction. When a user is made to visit a malicious link, which has an undefined handler followed by a ’special’ character, the chrome crashes with a Google Chrome message window “Whoa! Google Chrome has crashed. Restart now?”. It crashes on “int 3″ at 0×01002FF3 as an exception/trap, followed by “POP EBP” instruction when pointed out by the EIP register at 0×01002FF4.”

  • A vulnerability that tricks you into execution of an executable / JAR file. More

    Just hours after the release of Google Chrome, researcher Aviv Raffdiscovered that he could combine two vulnerabilities — a flaw in Apple Safari (WebKit) and a Java bug discussed at this year’s Black Hat conference — to trick users into launching executables direct from the new browser.

    Raff has cooked up a harmless demo of the attack in action, showing how a Google Chrome users can be lured into downloading and launching a JAR (Java Archive) file that gets executed without warning.

    In the proof-of-concept, Raff’s code shows how a malicious hacker can use a clever social engineering lure — it requires two mouse clicks — to plant malware on Windows desktops.

    The Google Chrome user-agent shows that Chrome is actually WebKit 525.13 (Safari 3.1), which is an outdated/vulnerable version of that browser.

    Apple patched the carpet-bombing issue with Safari v3.1.2.

(Nothing more as of now. ill keep adding to this list as I find out more)

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