CVE-2018-16807 Denial of service in n/a

High 7.5 Published 11 Sep 2018 Updated 17 Sep 2024

A memory leak in the Kerberos protocol parser allows attackers to cause a denial of service in Bro network security monitors.

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-2018-16807?

CVE-2018-16807 is a high-severity denial of service vulnerability in n/a, published on 11 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.

Weakness: CWE-772

Which versions are affected by CVE-2018-16807?

It affects 1 product.

Products include Bro Bro.

How do I fix CVE-2018-16807?

No fix has been published for CVE-2018-16807 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-2018-16807 being exploited?

There is no known exploitation of CVE-2018-16807 in the wild and no public exploit code.

Sources

Also known as GHSA-7hg4-3wc8-g69j, UBUNTU-CVE-2018-16807.