Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2016-3978 |
CWE-ID | CWE-601 CWE-79 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
FortiOS Operating systems & Components / Operating system |
Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU268
Risk: Low
CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2016-3978
CWE-ID:
CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to redirect victims to malicious website or perform cross-site scripting attacks.
The vulnerability is caused by incorrect filtration of user-input passed via the "redir" HTTP GET parameter to "/login" page. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim’s browser in security context of vulnerable website or redirect victim to arbitrary 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.
MitigationUpdate to version 5.0.13, 5.2.3 or 5.4.0.
Vulnerable software versionsFortiOS: 5.0.0 - 5.2.2
External linkshttp://fortiguard.com/advisory/fortios-open-redirect-vulnerability
http://www.behindthefirewalls.com/2016/05/CVE-2016-3978-open-redirect-and-xss-in-fortinet.html
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. However, proof of concept for this vulnerability is available.