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Category:   Device (Embedded Server/Appliance)  >   Fortinet FortiAnalyzer Vendors:   Fortinet
Fortinet FortiAnalyzer Input Validation Flaw in CA and CRL Certificate View Page Lets Remote Users Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1041246
SecurityTracker URL:  http://securitytracker.com/id/1041246
CVE Reference:   CVE-2017-17541   (Links to External Site)
Date:  Jul 10 2018
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Fortinet FortiAnalyzer. A remote user can conduct cross-site scripting attacks.

The system does not properly filter HTML code from user-supplied input in the 'CN' value of CA and CRL certificates imported via the import CA and CRL certificates feature of the graphical user interface. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the Fortinet FortiAnalyzer interface and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Hassan Kooshkaki and Farid Heydari reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the Fortinet FortiAnalyzer interface, access data recently submitted by the target user via web form to the interface, or take actions on the interface acting as the target user.
Solution:   The vendor has issued a fix (5.6.5, 6.0.1).

The vendor advisory is available at:

https://fortiguard.com/psirt/FG-IR-17-305

Vendor URL:  fortiguard.com/psirt/FG-IR-17-305 (Links to External Site)
Cause:   Input validation error

Message History:   None.


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