CVE-2018-13458 Null dereference in n/a

Medium 5.5 Published 12 Jul 2018 Updated 5 Aug 2024

Local attackers can cause a denial of service in Nagios Core by sending a crafted payload to the UNIX socket, triggering a NULL pointer dereference.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2018-13458?

CVE-2018-13458 is a medium-severity vulnerability in n/a, published on 12 Jul 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

qh_core in Nagios Core 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attackers to cause a local denial-of-service condition by sending a crafted payload to the listening UNIX socket.

Weakness: CWE-476

Which versions are affected by CVE-2018-13458?

It affects 1 product.

Products include Nagios Nagios Core.

How do I fix CVE-2018-13458?

Upgrade to a fixed version.

Is CVE-2018-13458 being exploited?

There is no known exploitation of CVE-2018-13458 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as DEBIAN-CVE-2018-13458, GHSA-9fx5-wc5q-367p.