Sockso "name" Script Insertion Vulnerability

SA49148

CVE-2012-4267

14 May 2012

14 Aug 2012

Moderately Critical

Unpatched

Sockso 1.x

From remote

Cross-Site Scripting

Cross-Site Scripting vulnerabilities allow a third party to manipulate the content or behaviour of a web application in a user's browser, without compromising the underlying system.

Different Cross-Site Scripting related vulnerabilities are also classified under this category, including "script insertion" and "cross-site request forgery".

Cross-Site Scripting vulnerabilities are often used against specific users of a website to steal their credentials or to conduct spoofing attacks.

Ciaran McNally has discovered a vulnerability in Sockso, which can be exploited by malicious people to conduct script insertion attacks.

Input passed via the "name" parameter to /user/register is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed.

The vulnerability is confirmed in version 1.5.3. Other versions may also be affected.

Filter malicious characters and character sequences using a proxy.

Ciaran McNally.

http://smwyg.com/blog/#sockso-persistant-xss-attack