CVE-2025-43482: Apple macOS 输入验证拒绝服务漏洞

// CVE-2025-43482 PoC - macOS Input Validation DoS // This PoC demonstrates the input validation issue in affected macOS versions // Run with low privilege user to trigger DoS condition #include <stdio.h> #include <stdlib.h> #include <string.h> // Simulated vulnerable input processing function void process_input(char* user_input, size_t len) { // Vulnerable: Insufficient input validation // In real scenario, this would be in macOS system component char* buffer = malloc(len + 1); if (buffer == NULL) { return; } // Missing proper bounds checking and input validation memcpy(buffer, user_input, len); buffer[len] = '\0'; // Process the input without proper validation // This can lead to resource exhaustion or crash printf("Processing input: %s\n", buffer); free(buffer); } int main() { // Crafted input that triggers the vulnerability // In real exploitation, specific malformed data would be sent // to vulnerable macOS component via IPC or system call char* malicious_input = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"; size_t len = strlen(malicious_input); printf("Triggering CVE-2025-43482 vulnerability...\n"); process_input(malicious_input, len); return 0; }