CVE-2025-43474 Apple macOS越界读取漏洞

/* CVE-2025-43474 PoC - macOS Out-of-Bounds Read Note: This is a conceptual PoC for educational purposes only. Actual exploitation requires specific vulnerable code path knowledge. */ #include <stdio.h> #include <stdlib.h> #include <string.h> // Simulated vulnerable function with OOB read void vulnerable_read(char* buffer, int offset, int length) { char local_buffer[256]; // Missing bounds check on offset and length memcpy(local_buffer, buffer + offset, length); } int main() { printf("CVE-2025-43474 macOS OOB Read PoC\n"); printf("Target: macOS kernel component\n"); printf("CVSS: 7.8 (Local, Low Priv, No User Interact)\n\n"); // Simulate trigger conditions char* trigger_buffer = malloc(1024); memset(trigger_buffer, 'A', 1024); // Attempt to trigger OOB read with crafted parameters // In real scenario, this would target specific macOS kernel APIs printf("Triggering vulnerable code path...\n"); vulnerable_read(trigger_buffer, 512, 512); // OOB condition printf("PoC demonstration complete.\n"); printf("Actual exploitation requires:\n"); printf("1. Specific vulnerable macOS kernel component\n"); printf("2. Crafted IOStorageFamily user-client interface\n"); printf("3. Local code execution context\n"); free(trigger_buffer); return 0; }