#VU88236 Template injection in FortiManager - CVE-2023-47542

Vulnerability identifier: #VU88236

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-47542

CWE-ID: CWE-94

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FortiManager
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

Description

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

The vulnerability exists due to improper input validation in template engine. A local user with at least read-only permissions can use a specially crafted Jinja template to execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiManager: 7.0.0 - 7.0.10, 7.2.0 - 7.2.4, 7.4.0 - 7.4.1

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External links
https://www.fortiguard.com/psirt/FG-IR-23-419

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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.