Remote code execution in FortiOS CAPWAP control

1) Stack-based buffer overflow

EUVDB-ID: #VU103797

Risk: Critical

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red]

CVE-ID: CVE-2024-35279

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in FortiOS CAPWAP control. A remote unauthenticated attacker can send specially crafted UDP packets to the affected affected service, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 7.2.0 - 7.4.4

CPE2.3

• cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*

External links

https://www.fortiguard.com/psirt/FG-IR-24-160

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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