NULL pointer dereference in FortiOS and FortiProxy - CVE-2023-33307
Published: March 18, 2024
Vulnerability identifier: #VU87581
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-2023-33307
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 SSL-VPN. A remote user can send a specially crafted request and perform a denial of service (DoS) attack.
Affected software
FortiOS
FortiProxy
RUGGEDCOM APE1808
FortiProxy
RUGGEDCOM APE1808
How to mitigate CVE-2023-33307
Install update from vendor's website.
FortiOS - addressed in versions 6.4.13, 7.0.11, 7.2.5
FortiProxy - addressed in versions 7.0.9, 7.2.3
FortiProxy - addressed in versions 7.0.9, 7.2.3