CVE-2023-4936 Synaptics-DisplayLink-privilege escalation vulnerability via a dynamic library sideloading

Medium 5.5 Published Updated

Attackers can escalate privileges by sideloading a malicious DLL during the installation of DisplayLink USB Graphics Software.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-4936?

CVE-2023-4936 is a medium-severity vulnerability in Synaptics DisplayLink USB Graphics Software for Windows, published on 11 Oct 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

It is possible to sideload a compromised DLL during the installation at elevated privilege.

Weakness: CWE-427, CWE-269

Which versions are affected by CVE-2023-4936?

It affects 1 product.

Products include Synaptics Displaylink.

How do I fix CVE-2023-4936?

No fix has been published for CVE-2023-4936 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-4936 being exploited?

There is no known exploitation of CVE-2023-4936 in the wild and no public exploit code.

Sources

Also known as GHSA-2pmm-w9v7-r79x.

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