#VU28499 Use of Hard-coded Cryptographic Key in Fortinet FortiClient for Windows


Published: 2020-06-02

Vulnerability identifier: #VU28499

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-321

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Fortinet FortiClient for Windows
Server applications / Other server solutions

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to disclose sensitive information on the target system.

The vulnerability exists due to presence of a hard-coded cryptographic key in the default configuration file. A remote authenticated attacker with access to the configuration or the backup file can decrypt the sensitive data on the target system. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiClient for Windows: 6.2.0 - 6.2.2, 6.0.0 - 6.0.8, 5.6.0 - 5.6.6, 5.4.0 - 5.4.5, 5.2.0 - 5.2.8, 5.0.1 - 5.0.11, 4.3.0 - 4.3.3.445, 4.2.0, 4.1.0, 4.0.0 - 4.0.2, 1.2.0 - 1.2.5, 1.0.0 - 1.0.5


External links
http://fortiguard.com/psirt/FG-IR-19-194


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability