{"id":"CVE-2018-15599","details":"The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSH_MSG_USERAUTH messages are handled, a similar issue to CVE-2018-15473 in an unrelated codebase.","modified":"2026-04-16T06:16:25.824971887Z","published":"2018-08-21T01:29:00.350Z","related":["openSUSE-SU-2024:11383-1"],"references":[{"type":"WEB","url":"https://matt.ucc.asn.au/dropbear/CHANGES"},{"type":"ADVISORY","url":"http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002108.html"},{"type":"ADVISORY","url":"http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2018q3/002109.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/08/msg00026.html"},{"type":"ADVISORY","url":"https://old.reddit.com/r/blackhat/comments/97ywnm/openssh_username_enumeration/e4e05n2/"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-15599.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"2018.76"}]}]}}],"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:N"}]}