Computer terrorism reveals Internet Explorer flaw
Date: November 22, 2005Source: ABC News Online
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The proof of concept code was published today by Computer Terrorism, a London security research firm. It exploits a problem in the way Internet Explorer processes the "Window()" function in JavaScript, a popular scripting language used by Web developers to make their sites more dynamic.
Though security experts had known about this JavaScript problem for months, they did not know that it could be used to do anything more than crash a user's computer, says Russ Cooper, editor of the NTBugtraq newslist and a scientist with security vendor Cybertrust. "The vulnerability has been around since May. It's only now that somebody has figured out how to turn it into something that runs exploitable code," he says.
Users would need to be tricked into clicking on a Web link in order for the malicious code to launch, Cooper says. But once launched, the bug could set up a chain of events that could ultimately let a hacker gain control of the user's system, he says.
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