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A memory corruption vulnerability exists in the Core Bluetooth component of Apple iOS before 11.2.5, tvOS before 11.2.5, and watchOS before 4.2.2. The flaw allows a crafted application to execute arbitrary code in a privileged context or cause a denial of service. The vulnerability is triggered by improper handling of memory within Core Bluetooth, leading to potential exploitation by malicious apps.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains 'UnjailMe', an iOS local privilege escalation exploit targeting iOS 10 through 11.3.1 on 64-bit devices. The exploit leverages vulnerabilities in the bluetoothd daemon (CVE-2018-4087, as discovered by Zimperium) and a buffer underflow in securityd (by Abraham Masri, no CVE) to escape the iOS app sandbox and escalate privileges to system level. The code is written in Objective-C and C, structured as an Xcode project with supporting UI and utility files. The main exploit logic resides in 'unjailme/exploit.m', which attempts to hijack system daemon sessions via Mach messages and XPC, and to execute code with elevated privileges. The app provides a UI for triggering the exploit and displays output, including memory and Mach-O information dumps useful for further research. The exploit aims to provide read/write access to protected areas (/var/root, /var/mobile), access to the keychain database, and FTP server functionality (currently sandboxed). The repository is intended for security researchers and developers, not for end users, and does not provide a full jailbreak or persistent root access. The attack vector is local, requiring the app to be installed and run on a vulnerable device, with Bluetooth enabled. Notable endpoints include system file paths and the 'com.apple.server.bluetooth' Mach service. The exploit is operational, with working code and a UI, but is not weaponized for mass exploitation.
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