CVE-2019-12175 Null dereference in n/a

High 7.5 Published 17 Jul 2019 Updated 4 Aug 2024

A NULL pointer dereference in the Kerberos parser allows attackers to cause a denial of service in Zeek Network Security Monitor.

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-2019-12175?

CVE-2019-12175 is a high-severity vulnerability in n/a, published on 17 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Zeek Network Security Monitor (formerly known as Bro) before 2.6.2, a NULL pointer dereference in the Kerberos (aka KRB) protocol parser leads to DoS because a case-type index is mishandled.

Weakness: CWE-476

Which versions are affected by CVE-2019-12175?

It affects 1 product.

Products include Zeek Zeek.

How do I fix CVE-2019-12175?

No fix has been published for CVE-2019-12175 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-12175 being exploited?

There is no known exploitation of CVE-2019-12175 in the wild and no public exploit code.

Sources

Also known as GHSA-m47c-xm2p-2v99, UBUNTU-CVE-2019-12175.