CVE-2026-33565 OpenHarmony本地拒绝服务漏洞

/* * PoC for CVE-2026-33565 (OpenHarmony Local DoS) * Description: This code simulates triggering the vulnerability * by sending a malformed request to a vulnerable system service. * Compilation: gcc -o poc_exploit poc_exploit.c */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> // Simulated vulnerable function call void trigger_vulnerability(char *input) { // In a real scenario, this function belongs to the system service // and lacks proper NULL checks or length validation. if (input == NULL) { // This logic path might not be hit if the input is crafted differently return; } // Simulating the crash condition (e.g., buffer overflow or null dereference) // This is a placeholder for the actual exploit logic. printf("[*] Sending payload to service...\n"); // Hypothetical system call that causes the crash // memcpy((void *)0x0, input, strlen(input)); // Simulated Segfault // Actual exploit would involve specific IOCTLs or API calls // identified in the technical analysis. } int main() { printf("[*] CVE-2026-33565 PoC Start\n"); printf("[*] Targeting OpenHarmony <= v6.0\n"); // Craft malicious payload char *malicious_payload = "CRASH_PAYLOAD"; // Attempt to trigger the vulnerability trigger_vulnerability(malicious_payload); printf("[*] Exploit executed. If successful, system should hang or reboot.\n"); return 0; }