Vulnerability identifier: #VU74990

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40679

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FortiADC
Server applications / Other server solutions
FortiDDoS
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

Description

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

The vulnerability exists due to improper input validation within the log & report module. A local user can pass specially crafted arguments to existing commands and execute arbitrary OS commands on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiADC: 7.1.0, 7.0.0 - 7.0.3, 6.2.0 - 6.2.4, 6.1.0 - 6.1.6, 5.4.0 - 5.4.5, 6.0.0 - 6.0.4, 5.2.0 - 5.2.8, 5.3.0 - 5.3.7, 5.1.0 - 5.1.7, 5.0.0 - 5.0.4

FortiDDoS: 4.0.0 - 6.4.0

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External links
http://fortiguard.com/psirt/FG-IR-22-335

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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.