Privilege escalation in FortiOS

1) Format string error

EUVDB-ID: #VU105622

Risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-45324

CWE-ID: CWE-134 - Use of Externally-Controlled Format String

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to a format string error. A remote user can send a specially crafted HTTP request that contains format string specifiers and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 6.2.0 - 7.4.4

CPE2.3

• cpe:2.3:o:fortinet:fortios:6.2.16:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*

External links

https://fortiguard.fortinet.com/psirt/FG-IR-24-325

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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