#VU89658 Format string error in Fortinet, Inc products - CVE-2023-45583

Vulnerability identifier: #VU89658

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/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-2023-45583

CWE-ID: CWE-134

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FortiProxy
Hardware solutions / Routers & switches, VoIP, GSM, etc
FortiPAM
Server applications / Directory software, identity management
FortiSwitch Manager
Client/Desktop applications / Software for system administration
FortiOS
Operating systems & Components / Operating system

Vendor: Fortinet, Inc

Description

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

The vulnerability exists due to a format string error in CLI. A local privileged user can pass specially crafted input to the CLI command and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiProxy: 1.0.0 - 1.0.7, 1.1.0 - 1.1.6, 1.2.0 - 1.2.13, 2.0.0 - 2.0.14, 7.0.0 - 7.0.11, 7.2.0 - 7.2.5

FortiPAM: 1.0.0 - 1.1.0

FortiSwitch Manager: 7.0.0 - 7.2.2

FortiOS: 6.0.0 - 6.0.18, 6.2.0 - 6.2.16, 6.4.0 - 6.4.15, 7.0.0 - 7.0.15, 7.2.0 - 7.2.5, 7.4.0

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External links
https://fortiguard.com/psirt/FG-IR-23-137

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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.