Vulnerability identifier: #VU83246

Vulnerability risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28002

CWE-ID: CWE-354

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FortiOS
Operating systems & Components / Operating system
FortiProxy
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Fortinet, Inc

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to improper validation of integrity check value in FortiOS and FortiProxy VMs. A local admin user can boot a malicious image on the device and bypass the filesytem integrity check in place.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiOS: 7.2.0 - 7.2.3, 6.4.0 - 6.4.14, 7.0.0 - 7.0.12, 6.0.0 - 6.0.17, 6.2.0 - 6.2.15

FortiProxy: 7.0.0 - 7.0.13, 7.2.0 - 7.2.7, 2.0.0 - 2.0.13

---

External links
http://fortiguard.com/psirt/FG-IR-22-396

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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