CVE-2023-43765 Denial of service in n/a

High 7.5 Published Updated

Attackers can cause a denial of service in WithSecure endpoint security products via the aeelf component.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-43765?

CVE-2023-43765 is a high-severity denial of service vulnerability in n/a, published on 22 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Certain WithSecure products allow Denial of Service in the aeelf component. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.

Which versions are affected by CVE-2023-43765?

It affects 7 products.

Products include F-Secure Atlant, F-Secure Client Security, F-Secure Elements Endpoint Protection, F-Secure Email and Server Security, F-Secure Linux Protection, F-Secure Linux Security 64 and 1 more.

How do I fix CVE-2023-43765?

No fix has been published for CVE-2023-43765 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-43765 being exploited?

There is no known exploitation of CVE-2023-43765 in the wild and no public exploit code.

Sources

Also known as GHSA-72w9-cq86-88hq.

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