CVE-2025-20386: Splunk Enterprise for Windows权限配置错误漏洞

#!/usr/bin/env python3 """ CVE-2025-20386 PoC - Splunk Enterprise for Windows权限配置错误 Note: This is a conceptual PoC for educational and security testing purposes only. """ import os import sys import subprocess import ctypes def check_splunk_directory_permissions(): """ Check if Splunk installation directory has insecure permissions that allow non-admin users to read/write. """ splunk_paths = [ r"C:\Program Files\Splunk", r"C:\Program Files (x86)\Splunk", r"C:\ProgramData\Splunk" ] results = [] for path in splunk_paths: if os.path.exists(path): print(f"[*] Checking permissions for: {path}") try: # Check if current user can list directory contents files = os.listdir(path) print(f"[+] Successfully listed directory contents") print(f"[+] Found {len(files)} items in directory") # Check if we can read sensitive files conf_files = [f for f in files if f.endswith('.conf')] if conf_files: print(f"[+] Found .conf files: {conf_files[:5]}") results.append({ "path": path, "accessible": True, "file_count": len(files) }) except PermissionError: print(f"[-] Access denied to {path}") results.append({ "path": path, "accessible": False, "error": "Permission denied" }) return results def check_splunk_version(): """ Attempt to determine Splunk version from installed instance """ version_file = r"C:\Program Files\Splunk\etc\splunk.version" if os.path.exists(version_file): try: with open(version_file, 'r') as f: content = f.read() print(f"[*] Splunk version info:\n{content}") return content except: pass return None def main(): print("=" * 60) print("CVE-2025-20386 PoC - Splunk Enterprise Windows Permission Issue") print("=" * 60) # Check if running on Windows if sys.platform != 'win32': print("[-] This PoC is designed for Windows systems") return # Get current user info print(f"[*] Current user: {os.getenv('USERNAME')}") print(f"[*] Running as admin: {ctypes.windll.shell32.IsUserAnAdmin()}") # Check Splunk version print("\n[*] Checking Splunk installation...") version = check_splunk_version() # Check directory permissions print("\n[*] Checking directory permissions...") results = check_splunk_directory_permissions() # Summary print("\n" + "=" * 60) print("SUMMARY") print("=" * 60) if any(r.get('accessible', False) for r in results): print("[!] VULNERABLE: Splunk directory is accessible to non-admin users") print("[!] This could allow privilege escalation and information disclosure") else: print("[+] NOT VULNERABLE: Directory permissions appear correct") if __name__ == "__main__": main()