SNS Vulnerability

Fortinet FortiOS Multiple Vulnerabilities

Description

(#Several vulnerabilities have been identified in Fortinet FortiOS:#- open redirect: A remote attacker could exploit it by inciting their victims to follow a specially crafted link in order to redirect to a malicious website#- cross-site scripting: A remote attacker can exploit it in order to execute arbitrary Javascript or HTML code by inciting their victim into following a specially formed link#- CVE-2015-3626: stored cross-site scripting. A remote attacker can exploit it in order to execute arbitrary Javascript or HTML code by inciting their victim into following a specially formed link. The vulnerability is located in the "DHCP HOSTNAME" option.##These two vulnerabilities exist within the parameter "redir" in the Fortiweb web login portal.##Proofs of concept are available for the first two vulnerabilities.)

Vulnerable Products

Vulnerable OS:
FortiOS (Fortinet) - 5.0, 5.0.1, 5.0.10, 5.0.11, 5.0.12, ..., 5.0.8, 5.0.9, 5.2.0, 5.2.1, 5.2.2

Solution

- 5.4 branch: 5.4.0.

CVE

CVE-2015-3626

References

- Full Disclosure : FortiOS (Fortinet) - Open Redirect and Cross Site Scripting
http://seclists.org/fulldisclosure/2016/Mar/68
- FortiGuard Center : DHCP Hostname HTML Injection
https://fortiguard.com/advisory/dhcp-hostname-html-injection

Vulnerability Manager Detection

IPS Protection

ASQ Engine alarm	Available Since
XSS - Prevention - GET : suspicious 'iframe' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious 'meta' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious tag with event found in URL	3.2.0
XSS - Prevention - GET : suspicious 'applet' tag found in URL	3.2.0
XSS - Phishing : suspicious 'div' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious 'style' attribute found in URL	3.2.0
XSS - Prevention - GET : suspicious 'img' tag found in URL	3.2.0
XSS - Phishing : suspicious 'a' tag found in URL	3.2.0
XSS - Prevention - GET : cookie access attempt using script language found in URL	3.2.0
XSS - Prevention - GET : suspicious 'embed' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious 'object' tag found in URL	3.2.0
XSS - Phishing : suspicious 'form' tag found in URL	3.2.0
XSS - Prevention - GET : javascript code found in URL	3.2.0
XSS - Prevention - GET : evasion attempt using tag characters encoding in URL	3.2.0
XSS - Prevention - GET : suspicious 'style' tag found in URL	3.2.0
XSS - Phishing : suspicious 'link' tag found in URL	3.2.0
XSS - Prevention - GET : 'script' tag found in URL	3.2.0
XSS - Prevention - GET : 'location' javascript object found in URL	3.2.0
XSS - Prevention - GET : suspicious 'div' tag found in URL	3.2.0
Site with open redirect	4.0.0

Risk level

Moderate

Vulnerability First Public Report Date

2016-03-17

Target Type

Client

Possible exploit

Remote