Denial of service in FortiNAC



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-22633
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
 FortiNAC
Server applications / IDS/IPS systems, Firewalls and proxy servers

FortiNAC-F
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource management error

EUVDB-ID: #VU77198

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-22633

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources during SSL renegotation. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiNAC: 8.7.0 - 9.4.1

FortiNAC-F: 7.2.0

CPE2.3 External links

https://fortiguard.com/psirt/FG-IR-22-521


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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