CVE-2026-21984 Oracle VM VirtualBox本地权限提升漏洞

# CVE-2026-21984 PoC - Oracle VM VirtualBox Local Privilege Escalation # Note: This is a conceptual PoC based on the vulnerability description # Actual exploitation requires specific conditions and high privileges import subprocess import os def check_virtualbox_version(): """Check if vulnerable VirtualBox version is installed""" try: result = subprocess.run(['VBoxManage', '--version'], capture_output=True, text=True) version = result.stdout.strip() print(f"[*] Detected VirtualBox version: {version}") # Check for vulnerable versions: 7.1.14 and 7.2.4 vulnerable_versions = ['7.1.14', '7.2.4'] for vuln_ver in vulnerable_versions: if vuln_ver in version: print(f"[!] System is running vulnerable version: {vuln_ver}") return True return False except Exception as e: print(f"[-] Error checking VirtualBox: {e}") return False def verify_privileges(): """Verify if current user has high privileges required for exploitation""" current_user = os.getenv('USERNAME') or os.getenv('USER') print(f"[*] Current user: {current_user}") print("[!] Exploitation requires high-privileged attacker with logon access") return True def demonstrate_vulnerability(): """Demonstrate the vulnerability conditions""" print("=" * 60) print("CVE-2026-21984 - Oracle VM VirtualBox Local Privilege Escalation") print("=" * 60) # Check if VirtualBox is vulnerable is_vulnerable = check_virtualbox_version() # Verify privileges has_privileges = verify_privileges() if is_vulnerable and has_privileges: print("[+] System appears vulnerable to CVE-2026-21984") print("[+] Attack requirements met:") print(" - Local access to VirtualBox host") print(" - High-privileged user account") print(" - VirtualBox 7.1.14 or 7.2.4 installed") print("[+] Recommendation: Apply Oracle security patch immediately") else: print("[-] System may not be vulnerable or conditions not met") if __name__ == "__main__": demonstrate_vulnerability()