{"id":"CVE-2018-15687","details":"A race condition in chown_one() of systemd allows an attacker to cause systemd to set arbitrary permissions on arbitrary files. Affected releases are systemd versions up to and including 239.","modified":"2026-05-18T05:49:19.758098376Z","published":"2018-10-26T14:29:00.757Z","related":["CGA-qph2-g6rr-vg25","openSUSE-SU-2024:11420-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"16.04"},{"last_affected":"18.04"},{"last_affected":"18.10"}],"vendor_product":"canonical:ubuntu_linux","source":"CPE_FIELD","cpes":["cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"]}]},"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/105748"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201810-10"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3816-1/"},{"type":"FIX","url":"https://github.com/systemd/systemd/pull/10517/commits"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/45715/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/systemd/systemd","events":[{"introduced":"c1719d8bc924ed59448616bd748671c5c7a66d93"},{"fixed":"1742aae2aa8cd33897250d6fcfbe10928e43eb2f"}],"database_specific":{"extracted_events":[{"introduced":"235"},{"fixed":"240"}],"cpe":"cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*","source":"CPE_FIELD"}}],"versions":["v239","v238","v237","v236","v235"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-15687.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/systemd/systemd-stable","events":[{"introduced":"c1719d8bc924ed59448616bd748671c5c7a66d93"},{"fixed":"1742aae2aa8cd33897250d6fcfbe10928e43eb2f"}],"database_specific":{"extracted_events":[{"introduced":"235"},{"fixed":"240"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*"}}],"versions":["v239","v238","v237","v236","v235"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-15687.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}