int0x33

# Edit this file to introduce tasks to be run by cron.
# 
# Each task to run has to be defined through a single line
# indicating with different fields when the task will be run
# and what command to run for the task
# 
# To define the time you can provide concrete values for
# minute (m), hour (h), day of month (dom), month (mon),
# and day of week (dow) or use '*' in these fields (for 'any').# 
# Notice that tasks will be started based on the cron's system

int0x33

#include <stdio.h>
int main () {
    char username[8];
    int allow = 0;
    printf external link("Enter your username, please: ");
    gets(username); // user inputs "malicious"
    if (grantAccess(username)) {
        allow = 1;
    }
    if (allow != 0) { // has been overwritten by the overflow of the username.

int0x33

#include <stdio.h>
#include <stdlib.h>
#define LENGTH 8
int main () {
    char* username, *nlptr;
    int allow = 0;
 
    username = malloc(LENGTH * sizeof(*username));
    if (!username)
        return EXIT_FAILURE;

int0x33

char str1[10];
char str2[]="WeWantToOverwriteMemory";
strcpy(str1,str2);

int0x33

#include <stdio.h>
 
#ifndef strlcpy
#define strlcpy(dst,src,sz) snprintf((dst), (sz), "%s", (src))
#endif
 
enum { BUFFER_SIZE = 10 };
 
int main() {
    char dst[BUFFER_SIZE];

int0x33

enum { BUFFER_SIZE = 10 };
char str1[BUFFER_SIZE];
char str2[]="abcdefghijklmn";
 
strncpy(str1,str2, BUFFER_SIZE); /* limit number of characters to be copied */
// We need to set the limit to BUFFER_SIZE, so that all characters in the buffer
// are set to '\0'. If the source buffer is longer than BUFFER_SIZE, all the '\0'
// characters will be overwritten and the copy will be truncated.
 
if (str1[BUFFER_SIZE-1] != '\0') {

int0x33

#include <stdio.h>
#include <stdlib.h>
 
enum { BUFFER_SIZE = 10 };
 
int main() {
    char buffer[BUFFER_SIZE];
    int check = 0;
 
    sprintf(buffer, "%s", "This string is too long!");

int0x33

#include <stdio.h>
#include <stdlib.h>
 
enum { BUFFER_SIZE = 10 };
 
int main() {
    char buffer[BUFFER_SIZE];
 
    int length = snprintf(buffer, BUFFER_SIZE, "%s%s", "long-name", "suffix");
 

int0x33

#FormatString.c
#include <stdio.h>
 
int main(int argc, char **argv) {
    char *secret = "This is a secret!\n";
 
    printf external link(argv[1]);
 
    return 0;
}

int0x33

#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
 
#define MY_TMP_FILE "/tmp/file.tmp"
 
enum { FILE_MODE = 0600 };
 
int main(int argc, char* argv[])