CVE-2026-28974 Apple多平台操作系统拒绝服务漏洞

/* * PoC for CVE-2026-28974 (Simulation) * This code simulates triggering the unauthorized action check failure. * Compile for iOS/macOS environment. */ #include <Foundation/Foundation.h> void trigger_exploit() { // Simulate iterating through system handles without proper checks for (int i = 0; i < 10000; i++) { @autoreleasepool { // Attempting to access a restricted system service logic // This represents the 'improved checks' area mentioned in the patch NSString *service = [[NSString alloc] initWithFormat:@"System-Internal-Service-%d", i]; // Maliciously invoking a method that bypasses auth check in vulnerable versions // This may cause a DoS due to resource exhaustion or assertion failure BOOL success = [self performUnauthorizedActionOnService:service]; if (!success) { NSLog(@"Service unavailable or triggered crash protection"); } } } } // Dummy function representing the vulnerable internal API - (BOOL)performUnauthorizedActionOnService:(NSString *)serviceName { // Implementation would call the vulnerable private API return NO; // Returns NO indicating failure/crash in vulnerable context } int main(int argc, const char * argv[]) { @autoreleasepool { NSLog(@"Starting CVE-2026-28974 PoC..."); trigger_exploit(); } return 0; }