From mark.rowe@pentest-limited.com Mon Jul 1 19:35:39 2002 From: "Mark A. Rowe (PenTest)" To: bugtraq@securityfocus.com Date: Mon, 1 Jul 2002 08:42:28 +0100 Subject: PTL-2002-03 Betsie XSS Vuln PenTest Limited www.pentest-limited.com Security Advisory XSS bug in Betsie Announcement date: 1st July 2002 Reference: ptl-2002-03 Advisory Details ---------------- Product: Betsie Vulnerable versions: 1.5.11 and all versions before Vulnerability Type : Input Validation Error Platforms: All Vendor-URL: http://www.bbc.co.uk/education/betsie/ Vendor-Status: informed, new version available Remote-Exploit: Yes Overview -------- A Cross-site Scripting vulnerability exists in the Betsie application. The developer has been notified and a fixed version has been released. Description ------------ Betsie stands for BBC Education Text to Speech Internet Enhancer, and is a simple Perl script which is intended to alleviate some of the problems experienced by people using text to speech systems for web browsing. The Betsie perl script does not adequately validate and filter URL input making it vulnerable to Cross-site Scripting attacks. Cross-site Scripting example: http://server/cgi-bin/betsie/parserl.pl/ For more details about XSS vulnerabilities see http://www.owasp.org/asac/input_validation/css.shtml Fix --- The vendor has released a new version of the script 1.5.12, which seems to fix the bug. Vendor status ------------- Vendor has released a new version. See http://www.bbc.co.uk/education/be tsie/download.html Thanks ------ Thankyou to Wayne Myers for responding so quickly to our notification and promptly releasing a fix. Credit ------ Discovered on 24 June, 2002 by Mark Rowe ( mark.rowe@pentest-limited.com) http://www.pentest-limited.com -- Mark Rowe IT Security Consultant PenTest Limited Office +44 (0)1565 830990 Fax +44 (0)1565 830889 Mobile +44 (0)7813 803929 mark.rowe@pentest-limited.com www.pentest-limited.com