#VU81959 Path traversal in FortiAnalyzer and FortiManager - CVE-2023-41838

Vulnerability identifier: #VU81959

Vulnerability risk: Low

CVSSv4.0: 4.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-41838

CWE-ID: CWE-22

Exploitation vector: Local

Exploit availability: No

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

Vendor: Fortinet, Inc

Description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A local user can send a specially crafted HTTP request and delete arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FortiAnalyzer: 6.2.0 - 6.2.11, 6.4.0 - 6.4.12, 7.0.0 - 7.0.8, 7.2.0 - 7.2.3, 7.4.0

FortiManager: 6.2.0 - 6.2.11, 6.4.0 - 6.4.12, 7.0.0 - 7.0.8, 7.2.0 - 7.2.3, 7.4.0

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External links
https://fortiguard.com/psirt/FG-IR-23-169

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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.