NULL pointer dereference in FortiProxy and FortiOS - CVE-2022-45861
Published: March 9, 2023
Vulnerability identifier: #VU73201
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-45861
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
FortiProxy
RUGGEDCOM APE1808
FortiOS
RUGGEDCOM APE1808
FortiOS
How to mitigate CVE-2022-45861
Install updates from vendor's website.
FortiProxy - addressed in versions 2.0.12, 7.0.8, 7.2.2
FortiOS - addressed in versions 6.4.12, 7.0.10, 7.2.4
FortiOS - addressed in versions 6.4.12, 7.0.10, 7.2.4