Summary
The FortiOS webui accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
The redirect input parameter is also prone to a cross site scripting.
Affected Products
FortiOS
Solutions
Upgrade to one the following FortiOS versions:
- 5.0 branch: 5.0.13 or above
- 5.2 branch: 5.2.3 or above
- 5.4 branch: 5.4.0 or above
4.3 and lower branches are not affected by this vulnerability.
Acknowledgement
Fortinet is pleased to thanks to Javier Nieto from www.behindthefirewalls.com for reporting a FortiOS vulnerability under responsible disclosure