OSEC

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OpenGuestbook Cross Site Scripting & SQL Injection

simo64gmail.com
Date: Sun Jun 25 2006 - 02:07:33 CDT

Produce : Open Guestbook 0.5
Site : http://sourceforge.net/projects/openguestbook
Discovred by: Moroccan Security Team (Simo64)
Greetz to : And All Friends :)

Details :
=========

[+]Cross Site Scripting
************************

  [-]vulnerable code in header.php on line 5

  [1] <html>
  [2]
  [3] <head>
  [4]
  [5] <title><? echo "$title"; ?></title>
  
   --------------------
   
   Exploit : http://localhost/openguestbook/header.php?title=</title>[XSS]
   
  [-] Solution
  
  edit line 5 on header.php
  
  [5] <title><? echo htmlspecialchars($title); ?></title>
   
   
[+]SQL Injection
******************

   [-]vulnerable code near lines 23 - 28
   
   [23] if (empty($offset)) {
   [24] $offset=0;
   [25] }
   [26]
   [27] // get results
   [28] $result=mysql_query("SELECT * FROM $tentries ORDER BY ID DESC limit $offset,$limit");

   [-]Exploit : http://localhost/openguestbook/view.php?offset=[SQL]

   [-]Solution :
   
   edit line 23 in view.php
   
   [23] if (empty($offset) OR !is_numeric($offset) {
   [24] $offset=0;

   
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