OTRS is vulnerable to a XSS/XSRF. It is possible to inject code into the Subaction parameter. Authentication is required to reach the page, but a non-authenticated user will be asked to login and the attack will still be carried out. Link: http://www.virtuax.be/?page=library&id=35&type=Exploits --------------------------------------------------------------------------------- | ____ ____.__ __ | | \ \ / /|__|_______/ |_ __ _______ ___ | | \ Y / | \_ __ \ __\ | \__ \ \ \/ / | | \ / | || | \/| | | | // __ \_> < | | \___/ |__||__| |__| |____/(____ /__/\_ \ | | \/ \/ | | Security without illusions | | www.virtuax.be | | | --------------------------------------------------------------------------------- Application: OTRS Vulnerable Versions: <= v2.0.x Vulnerability: XSS/XSRF Vendor: http://www.otrs.org Vendor Status: Notified Found: 07-05-2007 Public Release Date: 07-05-2007 Last modified: 07-05-2007 Author: ciri E-mail: ciri[a.t]virtuax[d.o.t]be reference: http://www.virtuax.be/advisories/Advisory5-07052007.txt ================================================================================= Shouts to the VirtuaX Crew & Community! ================================================================================= I. Background ------------- "OTRS is an Open source Ticket Request System with many features to manage customer telephone calls and e-mails. The system is built to allow your support, sales, pre-sales, billing, internal IT, helpdesk, etc. department to react quickly to inbound inquiries" by otrs.org II. Vulnerablity ---------------- OTRS is vulnerable to a XSS/XSRF. It is possible to inject code into the Subaction parameter. Authentication is required to reach the page, but a non-authenticated user will be asked to login and the attack will still be carried out. XSRF is ofcourse also possible in this case. IIa. Affected Versions ---------------------- OTRS 2.0.4 was tested and appears to be vulnerable. I've tested version 2.2.0 and it doesn't seem to be vulnerable anymore. III. PoC -------- http://server/otrs/index.pl?Action=AgentTicketMailbox&Subaction=<img src= https://server/otrs/images/Standard/new-message.png onLoad=javascript:alert('hello');> Copyright 2007 by ciri from Virtuax.be All rights reserved. 1