ChaiOS Bug Crashes iPhones and Macs

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Remember when you could send and receive a prank text message or email without being malicious?

Beware: Apple iMessage "text bomb" can cause your iPhone to crash and here's how it works.

A new flaw which can make your iPhone crash from just receiving a message has been discovered and has been dubbed "text bomb".

One of his testers (@aaronp613) confirmed the bug worked, saying: "The device will freeze for a few minutes". However, iOS is not immune to annoying glitches as witnessed by the latest chaiOS bug.

The bug is triggered by sending a string of code to an iPhone in an iMessage, Apple's internet-based text messaging system. Describing how it worked in a blog at the time (translated into English), he wrote: "When your victim clicks on the message, their Messages app will attempt to load a large amount of data". On clicking the link, iMessage will crash completely.

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As we reported yesterday, the chaiOS bug centres around a link that, when delivered, will stop the affected device in its tracks.

chaiOS was first uncovered by Abraham Masri, who tweeted about the bug.

"Ashamed about the mess it gets itself in, messages decide the least embarrassing thing to do is to crash". "... I always report bugs before releasing them".

Apple has faced a number of embarrassing security mishaps over the past few months, with a lot of them affecting macOS. Finding working copies of the bug isn't easy, thankfully as the link, as well as other mirrors of it, have been taken down from GitHub.

Cluley also said not to be surprised if a security update is rolled out by Apple in the near future to fix this issue.

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