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A simple HTML tag will crash 64-bit Windows 7

2011.12.21 11:58 by Daniela
Keywords: Windows 7, security

 

Security firm Secunia has reported that an unpatched security vulnerability in the 64-bit version of Windows 7 may be able to be exploited to inject and execute malicious code; currently, the only known exploit causes the system to crash.

The remotely exploitable vulnerability, caused by an error in win32k.sys, enables a hacker to run arbitrary code - such as malware - on a victim's machine when he or she visits a specially crafted Web page using Safari. Specifically, the Web page would simply need to contain an iFrame - an HTML element that is typically used to pull content from other sources onto a Web page - with an overly large "height" attribute.

The flaw works in the Apple Safari browser. There's no word on whether the error can be exploited in Internet Explorer, Mozilla Firefox or Google Chrome.

"The vulnerability is confirmed on a fully patched Windows 7 Professional 64-bit. Other versions may also be affected," Secunia said.

Read more -here-

 

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