#VU101831 Cleartext storage of sensitive information in Fortinet FortiClient for Windows and FortiClient (Linux) - CVE-2024-50570

Vulnerability identifier: #VU101831

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-50570

CWE-ID: CWE-312

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Fortinet FortiClient for Windows
Server applications / Other server solutions
FortiClient (Linux)
Client/Desktop applications / Software for system administration

Vendor: Fortinet, Inc

Description

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

The vulnerability exists due to JavaScript's garbage collector, which stores VPN credentials in clear text in memory. A local user can make memory dump and retrieve VPN password.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiClient for Windows: 7.0.0 - 7.0.13, 7.2.0 - 7.2.6, 7.4.0 - 7.4.1

FortiClient (Linux): 7.0.0 - 7.4.2

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External links
https://fortiguard.fortinet.com/psirt/FG-IR-23-278

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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.