Stack-based buffer overflow in FortiOS

1) Stack-based buffer overflow

EUVDB-ID: #VU91784

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-2023-46720

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the bluetooth write feature. A local user can trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FortiOS: 6.0.14 - 7.4.3

CPE2.3

• cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.0.18:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.2.16:*:*:*:*:*:*:*

External links

http://fortiguard.fortinet.com/psirt/FG-IR-23-356

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.