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iOS 5.1 Safari vulnerability allows for spoofed URLs

updated 11:25 am EDT, Thu March 22, 2012

Dutch government issues official warning

A researcher with MajorSecurity, David Vieira-Kurz, has discovered a serious security vulnerability in the iOS 5.1 version of Safari. The problem lies with the way iOS handles the JavaScript window.open() method, used to open a new browser window. A malicious coder could use this to spoof URLs, tricking people into visiting copycat websites that might contain other threats or ask for credit card information.

The flaw has been tested on the iPhone 4, iPhone 4S, iPad 2, and third-gen iPad, and the Dutch Ministry of Security and Justice has reportedly even issued a warning. It was first discovered in iOS 5, and then replicated on March 1st. Apple was alerted on the 2nd and acknowledged the issue the next day, but has yet to put out a firmware update.

Apple now has at least two problems to address with new firmware. The other is weak Wi-Fi reception, a glitch resurrected from the first-gen iPad. Two temporary solutions include toggling Wi-Fi off and on, or simply rebooting an iPad.




by MacNN Staff

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