CVE-2026-25205 Samsung Escargot堆溢出漏洞

/* * PoC Concept for Heap-based Buffer Overflow in Escargot * This code demonstrates the concept of triggering a heap overflow. * Specific payload would depend on the internal structure of Escargot objects. */ #include <stdio.h> #include <string.h> #include <stdlib.h> void vulnerable_function(char *input) { // Simulating the vulnerability: lack of bounds checking char *heap_buffer = (char *)malloc(10 * sizeof(char)); printf("Buffer allocated at: %p\n", heap_buffer); // Vulnerable copy: Writing beyond the 10-byte buffer // In Escargot, this might be triggered by specific JS array operations strcpy(heap_buffer, input); printf("Data written: %s\n", heap_buffer); free(heap_buffer); } int main(int argc, char **argv) { if (argc > 1) { // Payload larger than buffer size (10 bytes) to cause overflow char *malicious_input = argv[1]; printf("Triggering overflow with payload: %s\n", malicious_input); vulnerable_function(malicious_input); } else { printf("Usage: %s <payload_string>\n", argv[0]); } return 0; }