/*
run first: sudo echo 0 > /proc/sys/kernel/randomize_va_space
compile code with: gcc buffer-overflow.c -o vuln_disable_canary -fno-stack-protector
buffer will overflow if you input a long string
*/

#include <stdio.h>
#include <string.h>

int main()
{
    char buff[10];
    int pass = 0;

    printf("\n Enter the password : \n");
    gets(buff);

    if(strcmp(buff, "helloworld"))
    {
        printf ("\n Wrong Password \n");
    }
    else
    {
        printf ("\n Correct Password \n");
        pass = 1;
    }

    if(pass)
    {
        /* Now Give root or admin rights to user*/
        printf ("\n Root privileges given to the user \n");
    }

    return 0;
}