CVE-2023-41840 Path traversal in FortiClientWindows

High 7.4 Published Updated

An attacker can execute arbitrary code by placing a malicious OpenSSL engine library in the application's search path.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-41840?

CVE-2023-41840 is a high-severity path traversal vulnerability in Fortinet Forticlient, published on 14 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A untrusted search path vulnerability in Fortinet FortiClientWindows 7.0.9 allows an attacker to perform a DLL Hijack attack via a malicious OpenSSL engine library in the search path.

Weakness: CWE-426

Which versions are affected by CVE-2023-41840?

It affects 1 product.

Products include Fortinet Forticlient.

How do I fix CVE-2023-41840?

No fix has been published for CVE-2023-41840 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-41840 being exploited?

There is no known exploitation of CVE-2023-41840 in the wild and no public exploit code.

All Fortinet Forticlient vulnerabilities

Sources

Also known as GHSA-fcm9-vxq9-mf94.

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