NULL pointer dereference in Nagios

CVE-2018-13441

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

EPSS: 0.013 (68.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-13441?
CVE-2018-13441 is a medium-severity vulnerability in Nagios, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-07-12.
How severe is CVE-2018-13441?
Medium severity. CVSS v3 base score is 5.5 out of 10.