{"id":"ALPINE-CVE-2021-23239","details":"The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.","modified":"2026-08-27T22:18:01.486903654Z","published":"2021-01-12T09:15:14.043Z","upstream":["CVE-2021-23239"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-23239"}],"affected":[{"package":{"name":"sudo","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/sudo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"1.9.5p2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-23239.json"}},{"package":{"name":"sudo","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/sudo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"1.9.5p2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-23239.json"}},{"package":{"name":"sudo","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/sudo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"1.9.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-23239.json"}},{"package":{"name":"sudo","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/sudo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"1.9.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-23239.json"}},{"package":{"name":"sudo","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/sudo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"1.9.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-23239.json"}},{"package":{"name":"sudo","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/sudo?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.9.0"},{"fixed":"1.9.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-23239.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}