RCE in Icinga Web 2

CVE-2018-18249

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}_${APACHE_RUN_DIR}_${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.015 (72.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-18249?
CVE-2018-18249 is a critical-severity vulnerability in Icinga Web 2, classified under Code Injection. CVSS score: 9.8/10. Published 2018-12-17.
How severe is CVE-2018-18249?
Critical severity. CVSS v3 base score is 9.8 out of 10.