Vulnerability identifier: #VU87527

Vulnerability risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-41842

CWE-ID: CWE-134

Exploitation vector: Local

Exploit availability: No

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

Vendor: Fortinet, Inc

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a format string error. A local administrator can supply a specially crafted input that contains format string specifiers 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

FortiManager: 7.4.0 - 7.4.1, 7.2.0 - 7.2.3, 7.0.0 - 7.0.9, 6.4.0 - 6.4.14, 6.2.0 - 6.2.12

FortiAnalyzer: 7.4.0 - 7.4.1, 7.2.0 - 7.2.3, 7.0.0 - 7.0.9, 6.4.0 - 6.4.14, 6.2.0 - 6.2.11

FortiPortal: 5.3.0 - 6.0.14

FortiAnalyzer BigData: 6.2.5 - 7.2.5

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External links
http://fortiguard.com/psirt/FG-IR-23-304

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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.