Vulnerability in Icinga
CVE-2018-6536
An issue was discovered in Icinga 2.x through 2.8.1. The daemon creates an icinga2.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for icinga2.pid modification before a root script executes a "kill `cat /pathname/icinga2.pid`" command, as demonstrated by icinga2.init.d.cmake.
EPSS: 0.003 (17.3th 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
- Icinga
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2018-6536?
- CVE-2018-6536 is a medium-severity vulnerability in Icinga, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2018-02-02.
- How severe is CVE-2018-6536?
- Medium severity. CVSS v3 base score is 5.5 out of 10.