SB2023030927 - Denial of service in FortiOS and FortiProxy SSL VPN portal



SB2023030927 - Denial of service in FortiOS and FortiProxy SSL VPN portal

Published: March 9, 2023

Security Bulletin ID SB2023030927
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2022-45861)

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the SSL-VPN portal. A remote authenticated user can send a specially crafted HTTP GET request and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.