#VU8977 Improper input validation in FortiOS - CVE-2017-14182

 

#VU8977 Improper input validation in FortiOS - CVE-2017-14182

Published: October 30, 2017


Vulnerability identifier: #VU8977
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14182
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FortiOS
Software vendor:
Fortinet, Inc

Description

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The weakness exists in the web user interface of Fortinet FortiOS due to improper processing of user-supplied input. A remote attacker can pass a specially crafted payload to the 'params' parameter of the JSON web API (URLs with /json) and cause the web interface to become temporarily unavailable.

Successful exploitation of the vulnerability results in denial of service.

Remediation

Update to version 5.4.6 or later.

External links