The following code is for security research and authorized testing only.
python
#include <stdio.h>
#include <string.h>
// Simulated vulnerable function in file system
void vulnerable_fs_operation(char *input, int len) {
char buffer[32]; // Fixed size buffer
// Vulnerability: No bounds check on length before memcpy
// Out-of-bounds write occurs here if len > 32
memcpy(buffer, input, len);
printf("Operation processed.\n");
}
int main() {
// Malicious input larger than buffer size
char exploit_data[64];
memset(exploit_data, 'A', 64);
// Triggering the vulnerability
// Requires high privileges to access this specific FS call
vulnerable_fs_operation(exploit_data, 64);
return 0;
}