CVE-2025-22391

# 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

{"cve": {"id": "CVE-2025-22391", "sourceIdentifier": "[email protected]", "published": "2025-11-11T17:15:40.910", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper access control for some SigTest before version 6.1.10 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an authenticated user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires active user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "baseScore": 6.7, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 0.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-284"}]}], "references": [{"url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01327.html", "source": "[email protected]"}]}}