Code example that can lead to unwanted or dangerous behavior by calling the function through pFunc() without assigning a valid function. and damage the victim's system by executing the code
And even Buffer Overflow and Undefined Behavior attacks and...
And even Buffer Overflow and Undefined Behavior attacks and...
[HASH=314]#include[/HASH] <stdio.h>
[HASH=314]#include[/HASH] <stdlib.h>
[HASH=314]#include[/HASH] <string.h>
[HASH=493]#define[/HASH] MAX_BUFFER_SIZE 256
int exploit(void) {
return 0;
}
int main(void) {
printf("Warning: You are running this code on your own risk. Please do not attempt to execute malicious code.\n");
int (*pFunc)() = (int(*)()) malloc(MAX_BUFFER_SIZE);
if(pFunc == NULL) {
perror("Memory allocation failed");
return -1;
}
printf("Allocated memory at %p\n", pFunc);
if(exploit() == 0) {
printf("Exploit successfully executed.\n");
pFunc();
} else {
printf("Exploit failed to execute.\n");
}
free(pFunc);
return 0;
}