iOS Bug Discovered: Typing Four Characters Crashes iPhones

By Jurassic JennAug 23, 2024 19:53 PMTech
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iPhone
iPhone. Source: https://www.thehindu.com/

iOS, known for its stability over its 17-year evolution, has a rare bug discovered by Konstantin via TechCrunch, a security researcher on Mastodon, that can crash iPhones and iPads with the input of just four specific characters. The characters `""::` typed into the App Library search bar or the Settings app can trigger a crash of SpringBoard, the application that manages the iPhone home screen. Verification conducted on an iPhone running iOS 17.5.1 demonstrated the crash, causing the appearance of a spinning wheel before the device reverting to the lock screen. Interestingly, variations like `"":` followed by any letter also result in similar crashes.

Phone
Phone

Security and Impact

There's currently no evidence suggesting the bug poses a security threat. The crash seems limited to SpringBoard and the Settings app, without leading to a system-wide iOS crash. Researchers such as iOS security experts Ryan Stortz and Patrick Wardle confirmed that the issue does not compromise security. A bug of this type specifically impacts operations manually triggered by the device’s owner, setting it apart from past bugs like the 2015 "effective power" issue or the 2020 Twitter crash bug, which were more universally exploitable.

Historical Context and Expectations

Historically, bugs in iOS triggering such crashes have been few but notable. The 2015 "effective power" bug caused iPhones to crash via a text message, which led to Apple issuing an official fix due to the potential for external exploitation. In the latest iOS iterations such as iOS 17.5, there have been other minor bugs like the "database corruption" bringing back deleted photos, although they have eventually been patched.

Though this newly uncovered quirk doesn't compromise the device beyond inconvenience, it provides insight into the less obvious weaknesses within iOS. It is anticipated that these bugs will be addressed in upcoming releases, with resolution likely targeted for iOS 18, thus continually ensuring the robust integrity of iOS systems.

The significance of the `""::` bug paints a peculiar yet stable picture of iOS, one where minor, user-specific quirks appear as fascinating footnotes, rather than critical security concerns.

Earlier, SSP wrote that AMD will acquire ZT systems for $4.9 billion.

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