Monday, 18 July 2011 09:05

Another anti-jailbreak security patch for iOS

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Apple has released iOS security updates that plug a vulnerability that's been used to jailbreak devices. Before the howls of protest start, remember that such vulnerabilities can also be used for evil.


The iOS 4.3.4 Software Update was released over the weekend. It fixes a pair of vulnerabilities in the handling of fonts within PDF documents, one of which has been used to deliver a web-based jailbreak.

The update also fixes a privilege escalation vulnerability that was reportedly also used in the web-based jailbreak.

The update applies to the iPhone 3GS and 4, iPod touch (3rd generation and later) and the iPad. The iOS 4.2.9 Software Update delivers the same fixes to the CDMA version of the iPhone 4.

iOS updates are currently available only via iTunes, which is inconvenient for those who are away from their computers. OTA (over the air) iOS updates are expected following the arrival of iOS 5.


 

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Stephen Withers

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Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences and a PhD in Industrial and Business Studies.

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