{"id":"CVE-2018-6536","details":"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.","modified":"2026-07-08T17:18:32.672746Z","published":"2018-02-02T09:29:00.367Z","references":[{"type":"REPORT","url":"https://github.com/Icinga/icinga2/issues/5991"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/icinga/icinga2","events":[{"introduced":"30384a4340011723869969e76a3dd2801786cf2e"},{"last_affected":"be102d9d4e4de7ed657f7272f635e9aadf3e162e"}],"database_specific":{"cpe":"cpe:2.3:a:icinga:icinga:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.0.0"},{"last_affected":"2.8.1"}],"source":"CPE_RANGE"}}],"versions":["v2.8.1","v2.7.0","v2.6.1","v2.6.0","v2.5.0","v2.4.0","v2.3.0","v2.2.0","v2.1.1","v2.1.0","v2.0.2","v2.0.1","v2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6536.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/icinga/icingaweb2","events":[{"introduced":"ee1ee5af84d32c4493365959aa8a4322a34582e4"},{"last_affected":"233bd29e4104125b4e5ef631e8c16dde33dadd9a"}],"database_specific":{"cpe":"cpe:2.3:a:icinga:icinga:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.0.0"},{"last_affected":"2.8.1"}],"source":"CPE_RANGE"}}],"versions":["v2.8.1","v2.8.0","v2.8.0-rc1","v2.7.1","v2.7.0","v2.6.2","v2.6.1","v2.6.0","v2.5.3","v2.5.2","v2.5.1","v2.5.0","v2.4.0-2","v2.4.0","v2.3.4","v2.3.3","v2.3.2","v2.2.0","v2.1.2","v2.3.1","v2.3.0","v2.1.1","v2.1.0","v2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6536.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}