Tuesday, 4 April 2017

iOS 10.3.1 brings bug fixes and improves the security of iPhones and iPads

Apple recently started rolling out iOS 10.3 update to its devices, which introduced new features like Find My AirPods, new Apple File System, CarPlay improvements and enhancements for Siri.

Now the company is rolling out a new update in the form of iOS 10.3.1. The change log mentions that the update includes "bug fixes and improves the security of iPhones and iPads". However, Apple's support page provides some details about the issue and security content:
iOS 10.3.1, Released April 3, 2017
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An attacker within range may be able to execute arbitrary code on the Wi-Fi chip
Description: A stack buffer overflow was addressed through improved input validation.
CVE-2017-6975: Gal Beniamini of Google Project Zero
The fix for WiFi vulnerability, which affected the devices, could have allowed attacker within range to execute arbitary code on the WiFi chip of the iPhone and iPad.

The new iOS 10.3.1 update also adds 32-bit device support as well, so the iPhone 5 and iPhone 5C are now ready to receive the iOS 10.3 (10.3.1) OTA update normally. To recall iOS 10.3 OTA update for iPhone 5/5C was pulled by Apple for unknown reasons. In addition to bug fixes and security improvements, iOS 10.3.1 for iPhone 5 and 5C will bring all the features included in the iOS 10.3 update.

The iOS 10.3.1 update weighs in at 30MB for devices on iOS 10.3, while for iPhone 5/5C the update weighs at 611MB and is rolling out OTA. You can also download and install the update by connecting your device to iTunes. 

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