We lately wrote concerning the first jailbreak software accessible for iOS 16, which lets customers learn and modify inside system recordsdata, opening up an entire new world of prospects relating to customizations. Nevertheless, a developer managed to make use of an exploit present in iOS 16 to vary the default font of the system with out jailbreak.
Altering the iOS font with out jailbreak
Zhuowei Zhang shared his challenge on Twitter, which he calls a “proof-of-concept app.” In accordance with Zhang, the app he developed makes use of the CVE-2022-46689 exploit to overwrite the default iOS font, in order that customers can customise the system’s look with a unique font apart from the default (which is San Francisco).
The CVE-2022-46689 exploit impacts units operating iOS 16.1.2 or earlier variations of the working system, and it mainly lets apps execute arbitrary code with kernel privileges. The exploit was mounted with iOS 16.2, which additionally mounted a bunch of different safety breaches discovered within the earlier model of iOS.
Since iOS has its personal font format, the developer carried out the experiment utilizing only some fonts, together with DejaVu Sans Condensed, Serif, Mono, and Choco Cooky. And in case you’re questioning, Choco Cooky is the bizarre font that used to come back pre-installed by default on Samsung smartphones. Now you’ll be able to lastly have it in your iPhone.
Zhang explains that the method must be protected for everybody, since all adjustments are reversed after rebooting the gadget. Nonetheless, the developer recommends customers attempting out the app to again up their units earlier than changing the default system font. He additionally particulars that the change solely impacts among the textual content on iOS, as different elements of the system use totally different fonts.
The best way to set up the app and alter the default iOS font
Though the app created by Zhang doesn’t require jailbreak, it may not be really easy to put in it on an iPhone or iPad. It is because you should both compile the Xcode challenge your self or manually signal the IPA file with a developer certificates to put in it in your gadget.
Even so, it’s attention-grabbing to see what the developer has achieved with out having to jailbreak the gadget. Extra particulars concerning the challenge, together with its supply code, can be found on GitHub.
Would you prefer to have an possibility to vary the default iOS font? Tell us within the feedback part beneath.
FTC: We use earnings incomes auto affiliate hyperlinks. Extra.
Try 9to5Mac on YouTube for extra Apple information: