{"id":"CVE-2018-9275","details":"In check_user_token in util.c in the Yubico PAM module (aka pam_yubico) 2.18 through 2.25, successful logins can leak file descriptors to the auth mapping file, which can lead to information disclosure (serial number of a device) and/or DoS (reaching the maximum number of file descriptors).","modified":"2026-07-08T12:28:53.473422Z","published":"2018-04-04T18:29:02.497Z","related":["openSUSE-SU-2024:11146-1"],"references":[{"type":"REPORT","url":"https://bugzilla.opensuse.org/show_bug.cgi?id=1088027"},{"type":"REPORT","url":"https://github.com/Yubico/yubico-pam/issues/136"},{"type":"FIX","url":"https://github.com/Yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089ba"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/yubico/yubico-pam","events":[{"introduced":"f5363a207b14d46b86022e598399a31201164594"},{"last_affected":"432d7c60a1f64bfd1ad05683392cec36c6bc8455"},{"fixed":"0f6ceabab0a8849b47f67d727aa526c2656089ba"}],"database_specific":{"cpe":"cpe:2.3:a:yubico:yubico_pam:*:*:*:*:*:yubico:*:*","extracted_events":[{"introduced":"2.18"},{"last_affected":"2.25"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["2.25","2.24","2.23","2.22","2.21","2.20","2.19","2.18"],"database_specific":{"vanir_signatures":[{"source":"https://github.com/yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089ba","target":{"file":"util.c"},"deprecated":false,"digest":{"line_hashes":["226607563752128757887514930765907415801","279701570390930019583909742435872770862","308494850977619412175153327874514612777","203417458892300943278019038761638732730"],"threshold":0.9},"id":"CVE-2018-9275-73e96989","signature_type":"Line","signature_version":"v1"},{"id":"CVE-2018-9275-fa157aba","signature_type":"Function","signature_version":"v1","source":"https://github.com/yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089ba","target":{"file":"util.c","function":"check_user_token"},"deprecated":false,"digest":{"function_hash":"119299559369141334615512022658670539382","length":1698}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-9275.json","vanir_signatures_modified":"2026-07-08T12:28:53Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}]}