Remote code execution in Fortinet FortiManager and FortiAnalyzer



Published: 2021-07-19
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-32589
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
FortiManager
Server applications / IDS/IPS systems, Firewalls and proxy servers

FortiAnalyzer
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU54975

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32589

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the fgfmsd daemon. A remote non-authenticated attacker can send a specially crafted request to port 541/tcp (IPv4) or 542/tcp (IPv6), trigger a use-after-free error and execute arbitrary code on the system with root privileges.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiManager: 5.6.0 - 7.0.0

FortiAnalyzer: 5.6.0 - 5.6.10, 6.0.0 - 6.0.10, 6.2.0 - 6.2.7, 6.4.0 - 6.4.5, 7.0.0


CPE2.3 External links

http://www.fortiguard.com/psirt/FG-IR-21-067

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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



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