PR09-04 - Cross-Site Scripting on Portwise SSL VPN v4.6
- Vulnerability found:
- 25 March 2009
- Vendor informed:
- 28 April 2009
- Severity level:
- George Christopoulos and Jan Fry of ProCheckUp Ltd
- The Portwise portal login page is vulnerable to XSS. Portwise is a
Note: Other version might be affected as well
- Proof of concept:
- The following demonstrate XSS:
1) Login page XSS
An attacker may be able to cause execution of malicious scripting code
in the browser of a user who clicks on a link to a Portwise Portal-based
code would run within the security context of the target domain. This
type of attack can result in non-persistent defacement of the target
site, or the
redirection of confidential information (i.e.: session IDs) to
unauthorised third parties.
- How to fix:
- Ensure all input parameters (especially "reloadFrame") are filtered
sufficiently before beign echoed back to the client.
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