[NEWS] Verity K2 Toolkit Query Builder XSS Vulnerability
From: SecuriTeam (support_at_securiteam.com)
To: firstname.lastname@example.org Date: 3 Jul 2003 12:13:35 +0200
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Verity K2 Toolkit Query Builder XSS Vulnerability
Verity's K2 Toolkit provides e-commerce developers with text retrieval
capabilities and application integration features necessary for
customization including catalog navigation and content search functions.
Verity's K2 Toolkit has a XSS vulnerability in the Query Builder.
* Verity K2 Toolkit v2.20
injected in query string when displaying error messages.
Proof of Concept:
Internal Servlet Error: Error E1-0111 (Query Builder): Syntax error in
query string near character [foo]
Error E1-0111 (Query Builder): Syntax error in query string near character
Using this cross site scripting vulnerability, an attacker can hijack the
session of an administrator and deploy viruses or worms via vulnerable web
A workaround this problem, programmers must implement below exception
1. Catch exceptions and redirect users to a static error page predefined.
2. Log all errors to a log file for your debugging purpose.
2003-06-17 Verity notified.
2003-06-18 Verity replied.
2003-06-18 Second attempt at vendor contact.
2003-06-23 Third attempt at vendor contact.
2003-06-24 Verity resisted following up the problem.
2003-07-01 Public disclosure
The information has been provided by Jeremy Bae at
<mailto:firstname.lastname@example.org> SSR Team.
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