CVE-2022-28876 Denial-of-Service (DoS) Vulnerability

Medium 4.3 Published 14 Jul 2022 Updated 3 Aug 2024

Attackers can remotely crash the scanning engine in F-Secure and WithSecure endpoint protection products by triggering a vulnerability in the aeheur.dll component.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-28876?

CVE-2022-28876 is a medium-severity denial of service vulnerability in All F-Secure & WithSecure endpoint protection products for Windows and Mac. F-Secure Linux Security (32-bit). F-Secure Linux Security (64-bit). F-Secure Atlant. WithSecure Cloud Protection for Salesforce & WithSecure Collaboration Protection, published on 14 Jul 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant and in certain WithSecure products whereby the scanning the aeheur.dll component can crash the scanning engine. The exploit can be triggered remotely by an attacker.

Which versions are affected by CVE-2022-28876?

It affects 6 products.

Products include F-Secure Atlant, F-Secure Cloud Protection for Salesforce, F-Secure Elements Collaboration Protection, F-Secure Elements Endpoint Protection, F-Secure Internet Gatekeeper, F-Secure Linux Security.

How do I fix CVE-2022-28876?

No fix has been published for CVE-2022-28876 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-2022-28876 being exploited?

There is no known exploitation of CVE-2022-28876 in the wild and no public exploit code.

Sources

Also known as GHSA-xw3h-25p9-q9gp.