CVE-2018-14008 Denial of service in n/a

Medium 6.5 Published 15 Aug 2019 Updated 5 Aug 2024

Arista EOS allows remote attackers to cause a denial of service via mishandled 802.1x authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-14008?

CVE-2018-14008 is a medium-severity denial of service vulnerability in n/a, published on 15 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled.

Weakness: CWE-287

Which versions are affected by CVE-2018-14008?

It affects 1 product.

Products include Arista Eos.

How do I fix CVE-2018-14008?

No fix has been published for CVE-2018-14008 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-2018-14008 being exploited?

There is no known exploitation of CVE-2018-14008 in the wild and no public exploit code.

Sources

Also known as GHSA-fq5f-cfqm-mrrq.