CVE-2025-22391: Intel SigTest 权限提升漏洞

# CVE-2025-22391 PoC - Intel SigTest Privilege Escalation (Conceptual) # This is a conceptual proof of concept for educational purposes only import os import sys import subprocess import ctypes def check_sigtest_version(path): """Check if SigTest version is vulnerable""" try: result = subprocess.run([path, '-version'], capture_output=True, text=True) version = result.stdout # Extract version number and check if < 6.1.10 if 'version' in version.lower(): version_num = extract_version(version) if compare_versions(version_num, '6.1.10') < 0: return True, version_num return False, None except Exception as e: print(f"Error checking version: {e}") return False, None def exploit_vulnerability(sigtest_path): """ Conceptual exploitation steps for CVE-2025-22391: 1. Identify vulnerable SigTest installation 2. Leverage improper access control in Ring 3 context 3. Execute privileged operations via unprivileged context """ print("[*] CVE-2025-22391 - Intel SigTest Privilege Escalation") print(f"[*] Target: {sigtest_path}") # Step 1: Verify vulnerability is_vulnerable, version = check_sigtest_version(sigtest_path) if not is_vulnerable: print("[-] Target is not vulnerable or SigTest not found") return False print(f"[+] Vulnerable version detected: {version}") # Step 2: Exploit improper access control print("[*] Attempting to exploit improper access control...") # Note: Actual exploitation requires specific conditions and user interaction # Step 3: Privilege escalation print("[*] Attempting privilege escalation via Ring 3 access...") # The actual exploit would leverage the access control flaw here print("[!] This is a conceptual PoC. Actual exploitation requires:") print(" - Authenticated user session") print(" - User interaction") print(" - High complexity attack conditions") return False def extract_version(output): """Extract version string from output""" import re match = re.search(r'(\d+\.\d+\.\d+)', output) return match.group(1) if match else '0.0.0' def compare_versions(v1, v2): """Compare version strings""" from packaging import version try: return version.parse(v1) < version.parse(v2) except: return True if __name__ == '__main__': print("CVE-2025-22391 Intel SigTest Improper Access Control PoC") print("=" * 60) # Default paths to check paths_to_check = [ '/usr/bin/sigtest', '/usr/local/bin/sigtest', 'C:\\Program Files\\Intel\\SigTest\\sigtest.exe' ] for path in paths_to_check: if os.path.exists(path): exploit_vulnerability(path) break