JailbreakMe: Apple issues emergency iPhone/iPad security patch

Apple has kept true to its promise, and released a security patch for users of iPhones, iPads and the iPod Touch, closing the door on a vulnerability that could have exposed them to malware and other malicious attacks.

The vulnerability first came to the public’s attention after it was used by a website, JailbreakMe.com, which made it simple for iPhone and iPad users to jailbreak their devices.

As I reported earlier this month, the drive-by jailbreak exploited a vulnerability in the way that the mobile edition of Safari (the default browser used in the iOS operating system) handles PDF files – specifically its handling of fonts. Therefore, just visiting the JailbreakMe website could run code on the visitor’s iPhone, iPod Touch or iPad.

Such a vulnerability, if left unpatched, leaves open opportunities for hackers to spread malicious code to Apple’s mobile products.

The iOS 4.0.2 update for iPhone and iPod Touch can be downloaded and installed using iTunes, with further information available in Apple’s support advisory HT4291.

The same process can be used to update Apple iPads to version 3.2.3 of iOS, with detailed information about the vulnerability published on Apple’s support knowledgebase.

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