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CVE-2022-32832 is a vulnerability in multiple Apple operating systems (iOS, iPadOS, macOS, watchOS, tvOS) that allows an application with root privileges to execute arbitrary code with kernel privileges. The vulnerability is due to improper memory handling in the kernel, which could be exploited by a local attacker with root access to escalate privileges to the kernel level, potentially leading to full system compromise. The issue was addressed by Apple with improved memory handling in affected OS versions.
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2 valid exploits after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a proof-of-concept (PoC) exploit for CVE-2022-32832, a double-free vulnerability in the AppleAPFSUserClient kernel extension on macOS (and iOS). The exploit is implemented in C (main.c) and demonstrates the bug by causing a kernel panic on vulnerable systems. The exploit works by creating a new APFS volume (requiring root privileges), preparing a delta create context, and then racing two threads to call the vulnerable method (methodDeltaCreateFinalize, selector 49) on the same user client, resulting in a double-free. The Makefile is provided for building the PoC, and the README.md contains a detailed write-up and technical explanation of the vulnerability. No network endpoints are involved; the attack is purely local and requires root access. The exploit does not provide code execution or a shell, but reliably demonstrates the vulnerability by crashing the kernel.
This repository contains a proof-of-concept (PoC) exploit for CVE-2022-32832, a double-free vulnerability in the AppleAPFSUserClient kernel extension on macOS (and iOS). The exploit is implemented in C (main.c) and demonstrates the bug by causing a kernel panic on vulnerable systems. The exploit works by creating a new APFS volume (requiring root privileges), preparing a delta create context, and then racing two threads to call the vulnerable methodDeltaCreateFinalize (selector 49) on the same user client, resulting in a double-free. The repository includes a Makefile for building the PoC, a README with a detailed write-up, and standard project files. The exploit does not provide code execution or a shell, but reliably triggers a kernel panic, proving the vulnerability. The main target is macOS prior to 12.5 beta 2 (and iOS prior to 15.6), and the attack vector is local, requiring root access.
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