Multiple vulnerabilities in FortiOS



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-32600
CVE-2021-36169
CWE-ID CWE-284
CWE-94
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		FortiOS
Operating systems & Components / Operating system

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU56381

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32600

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions. A local authenticated user assigned to a specific VDOM can retrieve other VDOMs information such as the admin account list and the network interface list. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 5.6.0 - 7.0.0

CPE2.3 External links

http://www.fortiguard.com/psirt/FG-IR-20-243


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.

2) Code Injection

EUVDB-ID: #VU56380

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-36169

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the debug functionality in FortiGate. A local privileged user can execute unauthorized code or commands via specific
chains of `print str` and `cmd mem` cli commands to, respectively, read and write hexadecimal values to any memory address.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 6.2.0 - 7.0.0

CPE2.3 External links

http://www.fortiguard.com/psirt/FG-IR-21-091


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.



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