{"id":"CVE-2023-4012","summary":"Incomplete Internal State Distinction in ntpsec","details":"ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).","modified":"2026-08-12T03:51:26.399799875Z","published":"2023-08-07T17:30:33.452Z","related":["openSUSE-SU-2024:13463-1"],"database_specific":{"cna_assigner":"GitLab","cwe_ids":["CWE-372"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4012.json"},"references":[{"type":"WEB","url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038422"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4012.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4012"},{"type":"REPORT","url":"https://gitlab.com/NTPsec/ntpsec/-/issues/794"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ntpsec/ntpsec","events":[{"introduced":"5fe977195c1d4967e4cd72cef9efe4dc4de44e43"},{"last_affected":"5fe977195c1d4967e4cd72cef9efe4dc4de44e43"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:ntpsec:ntpsec:1.2.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.2.2"},{"last_affected":"1.2.2"}]}},{"type":"GIT","repo":"https://gitlab.com/NTPsec/ntpsec","events":[{"introduced":"5fe977195c1d4967e4cd72cef9efe4dc4de44e43"},{"last_affected":"5fe977195c1d4967e4cd72cef9efe4dc4de44e43"}],"database_specific":{"extracted_events":[{"introduced":"1.2.2"},{"last_affected":"1.2.2"}],"source":"AFFECTED_FIELD"}}],"versions":["1.2.2","NTPsec_1_2_2a"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4012.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}