CVE-2025-46291: macOS Gatekeeper安全绕过漏洞

// CVE-2025-46291 PoC - macOS Gatekeeper Bypass // Note: This is a conceptual PoC for educational purposes only // Actual exploitation requires specific conditions and macOS Tahoe 26.2 #include <stdio.h> #include <stdlib.h> #include <string.h> // Simulated Gatekeeper bypass logic int validate_app_signature(char *app_bundle) { // Normal validation would check: // 1. Code signature validity // 2. Notarization ticket // 3. Entitlement flags // 4. Bundle structure integrity // Bypass condition: Logic flaw in validation // The validation checks signature but fails to verify // specific entitlement flags or notarization status properly if (check_code_signature(app_bundle) == 0) { // Logic bug: Returns success without full validation return 0; // Bypassed! } return -1; } int main(int argc, char *argv[]) { if (argc < 2) { printf("Usage: %s <malicious_app_bundle>\n", argv[0]); return 1; } char *malicious_app = argv[1]; printf("Attempting to bypass Gatekeeper for: %s\n", malicious_app); // Craft malicious app with specific structure // that triggers the logic validation flaw craft_malicious_bundle(malicious_app); // Attempt bypass if (validate_app_signature(malicious_app) == 0) { printf("[+] Gatekeeper bypass successful!\n"); printf("[+] Malicious app can now execute with full permissions\n"); execute_malicious_payload(malicious_app); } else { printf("[-] Bypass failed\n"); } return 0; } // Helper functions (simplified) int check_code_signature(char *bundle) { // Simulated signature check return 0; // Always returns valid for PoC } void craft_malicious_bundle(char *path) { // Create malicious app bundle with crafted signature } void execute_malicious_payload(char *app) { // Execute arbitrary code with user privileges }