CVE-2018-6525 Denial of service in n/a

High 7.8 Published 2 Feb 2018 Updated 5 Aug 2024

Local attackers can cause a system crash via improper input validation in the nProtect AVS driver, requiring an upgrade to the latest version.

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-2018-6525?

CVE-2018-6525 is a high-severity denial of service vulnerability in n/a, published on 2 Feb 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKFsAv.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x220458.

Weakness: CWE-20

Which versions are affected by CVE-2018-6525?

It affects 1 product.

Products include Inca Nprotect Avs.

How do I fix CVE-2018-6525?

No fix has been published for CVE-2018-6525 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-2018-6525 being exploited?

There is no known exploitation of CVE-2018-6525 in the wild and no public exploit code.

Sources

Also known as GHSA-57vp-rrv8-fx75.