CVE-2018-13457
5.5
MEDIUM
CVSS 3.1
EPSS 0.57%
Description
qh_echo 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.
How to fix CVE-2018-13457
To remediate CVE-2018-13457, upgrade the affected package to a fixed version below.
- Debian/nagios4—upgrade to 4.3.4-3 or later
Is CVE-2018-13457 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.3.4-3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |