Local OS command injection in FortiWeb and FortiADC



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-43948
CWE-ID CWE-78
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Fortinet FortiWeb
Server applications / Remote management servers, RDP, SSH

FortiADC
Server applications / Other server solutions

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU75067

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-2022-43948

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation in certain CLI commands. A local user can pass specially crafted arguments to certain CLI commands and execute arbitrary OS commands on the target system.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiWeb: 7.0.0 - 7.0.3

FortiADC: 5.1.0 - 7.1.1

CPE2.3 External links

http://fortiguard.com/psirt/FG-IR-22-186


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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