Vulnerability identifier: #VU303

Vulnerability risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-3194

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiManager
Server applications / IDS/IPS systems, Firewalls and proxy servers
FortiAnalyzer
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

Description

The vulnerability allow a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-input passed to unknown input fields. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user’s browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Update to the latest version:

FortiManager 
5.0.12 and above
5.2.6 and above
5.4.0 and above

FortiAnalyzer 
5.0.13 and above
5.2.6 and above
5.4.0 and above

Vulnerable software versions

FortiManager: 5.0.0 - 5.0.11, 5.2.0 - 5.2.5

FortiAnalyzer: 5.0.0 - 5.0.12, 5.2.0 - 5.2.5

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External links
http://fortiguard.com/advisory/fortimanager-and-fortianalyzer-xss-vulnerability

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.