Buffer overflow in FortiOS - CVE-2018-13381

 

Buffer overflow in FortiOS - CVE-2018-13381

Published: June 4, 2019 / Updated: February 3, 2021


Vulnerability identifier: #VU50300
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-13381
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiOS

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTTP POST requests in SSL VPN web portal. A remote attacker can trick a victim to visit a specially crafted website and execute arbitrary code on the device.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-13381

Install updates from vendor's website.

Sources