WebHacking.kr Challenge old-49

목표 : SQLi or → ||

입력할 수 있는 칸과 소스를 제공한다.

<?php
  include "../../config.php";
  if($_GET['view_source']) view_source();
?><html>
<head>
<title>Challenge 49</title>
</head>
<body>
<h1>SQL INJECTION</h1>
<form method=get>
level : <input name=lv value=1><input type=submit>
</form>
<?php
  if($_GET['lv']){
    $db = dbconnect();
    if(preg_match("/select|or|and|\(|\)|limit|,|\/|order|cash| |\t|\'|\"/i",$_GET['lv'])) exit("no hack");
    $result = mysqli_fetch_array(mysqli_query($db,"select id from chall49 where lv={$_GET['lv']}"));
    echo $result[0] ;
    if($result[0]=="admin") solve(49);
  }
?>
<hr><a href=./?view_source=1>view-source</a>
</body>
</html>
PHP
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