#VU31052 Buffer overflow in FortiOS - CVE-2018-13383
Published: May 29, 2019 / Updated: February 20, 2022
Vulnerability identifier: #VU31052
Vulnerability risk: High
CVSSv4.0: 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:A/U:Amber
CVE-ID: CVE-2018-13383
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
FortiOS
FortiOS
Software vendor:
Fortinet, Inc
Fortinet, Inc
Description
The vulnerability allows a remote non-authenticated attacker to compromise the affected system.
The vulnerability exists due to a boundary error when parsing web pages in the SSL VPN web portal. A remote attacker can create a specially crafted web page with malicious javascript href data, trick the authenticated user to visit it, trigger a buffer overflow and execute arbitrary code on the system.
Remediation
Install update from vendor's website.