------------------------------------------------------------ - EXPL-A-2005-003 exploitlabs.com Advisory 032 - ------------------------------------------------------------ - Adventia Chat - OVERVIEW ======== Adventia Chat Server Pro 3.0 is an ASP program that allows you to easily add multiple HTML-only chat rooms to your site, transforming your web site or intranet into a dynamic and successful online community comprised of customers, users, suppliers or employees. AFFECTED PRODUCTS ================= Adventia Chat 3.1 Chat Server Pro 3.0 http://www.adventia.com/ DETAILS ======= Adventia Chat has HTML code enabled by default, allowing all static and remote XSS to be inserted in the chat space. This causes XSS in all chat users browsers. ( including cookie theft and session spooofing ) As well, the entered text is of a persistant nature, allowing for exploitation after the attacker has left the chat application. This could also be used as an attack vector for "pushing" code to exploit users using the latest browser exploits. SOLUTION ======== none 1st contact: March 16, 2005 ( no reply ) PROOF OF CONCEPT ================ none ( just enter any xss style text ) demo url: http://www.adventia.com/cgi-bin/chatpro/login.asp CREDITS ======= This vulnerability was discovered and researched by Donnie Werner of exploitlabs web: http://exploitlabs.com _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/