The developer uses iOS 16 exploit to change the system font (without jailbreak)

Here is information about the iOS 16 exploit to change the system font (without jailbreaking). We recently released the first jailbreak tool for iOS 16, which enables users to view and modify internal system files, unlocking a whole new world of customization possibilities. However, a developer was able to leverage an exploit discovered in iOS 16 to modify the system’s default typeface without requiring a jailbreak.

Changing iOS fonts

Zhuowei Zhang tweeted about his creation, which he refers to as a “proof-of-concept app.”Zhang claims that the program he created exploits the CVE-2022-46689 attack to replace the default iOS font, enabling users to customize the system’s appearance with a typeface other than the default.

Made an app that overwrites the iOS system font using CVE-2022-46689. https://github.com/zhuowei/WDBFontOverwrite… It works on iOS 16.1.2 and below on unjailbroken devices. Four fonts are included: DejaVu Sans Condensed, Serif, Mono, and Choco Cooky (because Samsung).

Because iOS has its own font format, the developer used only a few fonts, such as DejaVu Sans Condensed, Serif, Mono, and Choco Cooky, for the experiment. And if you’re wondering, Choco Cooky is the strange font that used to come on Samsung phones by default. Now you can get it on your iPhone at last.

How to get the app and change the font that comes with iOS.

Although Zhang’s app doesn’t require jailbreaking, it may not be easy to install it on an iPhone or iPad. This is because you need to either compile the Xcode project yourself or manually sign the IPA file with a developer certificate to install it on your device.

Proof-of-concept app to overwrite fonts on iOS using CVE-2022-46689.

Works on iOS 16.1.2 and below (tested on iOS 16.1) on unjailbroken devices.

Fonts included:

DejaVu Sans Condensed
DejaVu Serif
DejaVu Sans Mono
Go Regular
Go Mono
Fira Sans
Segoe UI
Comic Sans MS
Choco Cooky

You can also import custom fonts that were ported for iOS.

IPA available in the Releases section.

v1.9.1

Fixed a bug where files would be not selectable on some devices.
Reverted back to the old document picker implementation.
Fixed a bug where the document picker would be deallocated while using.

Written By:

Morona Margret

Changing iOS fonts

How to get the app and change the font that comes with iOS.

Proof-of-concept app to overwrite fonts on iOS using CVE-2022-46689.

Top 15 jailbreak tools and solutions

Written By: