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()

{"cve": {"id": "CVE-2025-33111", "sourceIdentifier": "[email protected]", "published": "2025-12-08T22:15:51.150", "lastModified": "2025-12-10T18:13:59.027", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Controller 11.1.0 through 11.1.1 and IBM Cognos Controller 11.0.0 through 11.0.1 FP6 is vulnerable to creation of temporary files without atomic operations which may expose sensitive information to an authenticated user due to race condition attacks."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-379"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ibm:cognos_controller:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.0.0", "versionEndExcluding": "11.0.1.7", "matchCriteriaId": "010915B1-A0E9-4D01-8A86-3B771F2AD659"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:controller:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.1.0", "versionEndExcluding": "11.1.2", "matchCriteriaId": "24C24CEC-8494-4620-9F14-22D154D85866"}]}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7253273", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}