# pwn20wndstuff/undecimus

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6,616 stars · 1,287 forks · C · BSD-3-Clause

## Links

- GitHub: https://github.com/pwn20wndstuff/Undecimus
- awesome-repositories: https://awesome-repositories.com/repository/pwn20wndstuff-undecimus.md

## Description

Undecimus is an iOS jailbreak tool and firmware exploit utility designed to remove software restrictions and elevate system privileges on devices running iOS 11.0 through 12.4. It serves as a software implementation for bypassing system limits and performing unauthorized system modifications.

The project functions as an installer for third-party package managers and substrates, enabling the deployment of alternative application stores. It also includes system recovery tools to diagnose errors and repair corrupted system packages following firmware modifications.

The toolset covers low-level system modification capabilities, including bootloader patching, kernel-level exploits, and dynamic library injection. It further provides utilities for system diagnostics, package integrity repair, and system data migration.

## Tags

### Operating Systems & Systems Programming

- [iOS Jailbreaking](https://awesome-repositories.com/f/operating-systems-systems-programming/ios-jailbreaking.md) — Removes software restrictions on iOS 11 and 12 to enable the installation of unauthorized applications and system modifications.
- [Custom Firmware Bootloaders](https://awesome-repositories.com/f/operating-systems-systems-programming/custom-firmware-bootloaders.md) — Implements a custom bootloader to disable signature verification and execute unsigned code during device startup.
- [Library Injection](https://awesome-repositories.com/f/operating-systems-systems-programming/dynamic-library-loading/library-injection.md) — Injects custom substrate libraries into active system processes to intercept and modify native function calls.
- [Jailbreak Tools](https://awesome-repositories.com/f/operating-systems-systems-programming/jailbreak-tools.md) — Functions as a comprehensive utility to remove software restrictions and elevate privileges on iOS 11.0 through 12.4.
- [Ramdisk Boots](https://awesome-repositories.com/f/operating-systems-systems-programming/file-system-mounts/ramdisk-boots.md) — Boots a minimal ramdisk environment to allow modification of the root partition without triggering system integrity checks.
- [System Recovery Tools](https://awesome-repositories.com/f/operating-systems-systems-programming/system-administration-maintenance/system-administration-utilities/system-recovery-tools.md) — Repairs corrupted system packages and restores functionality after unauthorized firmware modifications.
- [System Recovery Utilities](https://awesome-repositories.com/f/operating-systems-systems-programming/system-recovery-utilities.md) — Provides utilities for restoring system software and recovering devices from failed firmware states.

### Security & Cryptography

- [iOS Exploit Utilities](https://awesome-repositories.com/f/security-cryptography/exploit-frameworks/ios-exploit-utilities.md) — Leverages iOS-specific kernel vulnerabilities to bypass system limits and allow unauthorized modifications.
- [System Restriction Bypasses](https://awesome-repositories.com/f/security-cryptography/identity-access-management/authentication-strategies/access-restriction-workarounds/sandbox-restriction-bypasses/system-restriction-bypasses.md) — Removes restricted system files and bypasses operating system access controls to allow unauthorized apps. ([source](https://github.com/pwn20wndstuff/undecimus#readme))
- [iOS Kernel Exploits](https://awesome-repositories.com/f/security-cryptography/ios-kernel-exploits.md) — Utilizes a chain of memory corruption vulnerabilities to gain full control over the iOS kernel.
- [Privilege Escalation Techniques](https://awesome-repositories.com/f/security-cryptography/privilege-escalation-techniques.md) — Elevates process permissions from a restricted sandbox to root access by exploiting system service vulnerabilities.

### Mobile Development

- [Substrate Installers](https://awesome-repositories.com/f/mobile-development/ios-app-installations/substrate-installers.md) — Deploys third-party application stores and substrates to enable advanced software management on jailbroken devices.

### System Administration & Monitoring

- [Third-Party Application Management](https://awesome-repositories.com/f/system-administration-monitoring/third-party-application-management.md) — Installs alternative application stores and substrates to manage software not available through official channels.

### Web Development

- [Third-Party Distribution Platforms](https://awesome-repositories.com/f/web-development/third-party-api-clients/third-party-platform-interfaces/third-party-distribution-platforms.md) — Provides a centralized system for discovering and deploying unofficial software releases on compatible hardware. ([source](https://github.com/pwn20wndstuff/undecimus#readme))