Critical zero-day flaw found in Apple's Safari browser

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Affects current version.

A “highly critical” zero-day vulnerability has been discovered in Apple's Safari web browser, according to Danish vulnerability tracking firm Secunia.

The code execution vulnerability affects the current version (4.0.5) of Safari for Windows and could allow an attacker to compromise a user's system. Other versions of the browser could also be affected.

Users are being advised to avoid visiting untrusted websites or clicking on links from untrusted sources.

The vulnerability is the result of, “an error in the handling of parent windows and can result in a function call using an invalid pointer”, according to Secunia's advisory. The vulnerability could be exploited to execute arbitrary code if a user is directed to a specially crafted web page and attempts to close pop-up windows.

Secunia has rated the vulnerability “highly critical,” or 'four out of five' on its severity rating scale.

The vulnerability likely also affects Safari for Mac because the code base of the two programs is largely the same, according to Mac security firm Intego.

"We're keeping an eye on this to see how it progresses, as this is the kind of vulnerability that can be exploited when a user simply visits a web page," Peter James, spokesman at Intego, wrote in a blog post.

See original article on scmagazineus.com

Critical zero-day flaw found in Apple's Safari browser
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