{"id":"CVE-2017-12151","details":"A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.","modified":"2026-04-10T03:56:40.364245Z","published":"2018-07-27T12:29:00.223Z","related":["MGASA-2018-0023","SUSE-SU-2017:2650-1","SUSE-SU-2017:2695-1","SUSE-SU-2017:2704-1","SUSE-SU-2017:2726-1","SUSE-SU-2017:2971-1","SUSE-SU-2017:3155-1","openSUSE-SU-2024:11365-1"],"references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-3983"},{"type":"ADVISORY","url":"https://www.samba.org/samba/security/CVE-2017-12151.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/100917"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20170921-0001/"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1039401"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2790"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2858"},{"type":"ADVISORY","url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12151"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/samba-team/samba","events":[{"introduced":"0"},{"fixed":"89edb76883be2d19f490ea9b5d898ac37f8b60f1"},{"introduced":"916fab083a8cb5c10365da7f3a85d0bbfde4a30e"},{"fixed":"f261c9a5ef07a0a4230b891b2585c5f21945e196"},{"introduced":"f17816a4ae2bb0ed45561347a4c578ca9ab28ccf"},{"fixed":"be2ffca00a983bc3e599e0eb84ab35c517e9d07c"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"4.4.16"},{"introduced":"4.5.0"},{"fixed":"4.5.14"},{"introduced":"4.6.0"},{"fixed":"4.6.8"}]}}],"versions":["ldb-1.1.0","ldb-1.1.10","ldb-1.1.11","ldb-1.1.12","ldb-1.1.13","ldb-1.1.14","ldb-1.1.15","ldb-1.1.16","ldb-1.1.17","ldb-1.1.18","ldb-1.1.19","ldb-1.1.2","ldb-1.1.20","ldb-1.1.21","ldb-1.1.22","ldb-1.1.23","ldb-1.1.25","ldb-1.1.3","ldb-1.1.4","ldb-1.1.5","ldb-1.1.6","ldb-1.1.8","ldb-1.1.9","samba-4.0.0alpha10","samba-4.0.0alpha17","samba-4.0.0alpha18","samba-4.0.0alpha19","samba-4.0.0alpha20","samba-4.0.0alpha21","samba-4.0.0alpha6","samba-4.0.0alpha7","samba-4.0.0alpha8","samba-4.0.0alpha9","samba-4.0.0beta1","samba-4.0.0beta2","samba-4.0.0beta3","samba-4.0.0beta4","samba-4.0.0beta5","samba-4.0.0beta6","samba-4.0.0beta7","samba-4.0.0beta8","samba-4.0.0rc1","samba-4.2.0rc1","samba-4.3.0rc1","samba-4.4.0","samba-4.4.0rc1","samba-4.4.0rc2","samba-4.4.0rc3","samba-4.4.0rc4","samba-4.4.0rc5","samba-4.4.1","samba-4.4.10","samba-4.4.11","samba-4.4.15","samba-4.4.2","samba-4.4.3","samba-4.4.4","samba-4.4.7","samba-4.5.0","samba-4.5.11","samba-4.5.12","samba-4.5.13","samba-4.5.4","samba-4.5.5","samba-4.5.6","samba-4.5.9","samba-4.6.0","samba-4.6.3","samba-4.6.5","samba-4.6.7","talloc-1.3.1","talloc-2.0.0","talloc-2.0.7","talloc-2.0.8","talloc-2.1.0","talloc-2.1.1","talloc-2.1.2","talloc-2.1.3","talloc-2.1.4","talloc-2.1.5","tdb-1.1.5","tdb-1.2.0","tdb-1.2.1","tdb-1.2.10","tdb-1.2.11","tdb-1.2.12","tdb-1.2.13","tdb-1.3.0","tdb-1.3.1","tdb-1.3.2","tdb-1.3.3","tdb-1.3.4","tdb-1.3.5","tdb-1.3.6","tdb-1.3.7","tdb-1.3.8","tevent-0.9.11","tevent-0.9.12","tevent-0.9.13","tevent-0.9.14","tevent-0.9.15","tevent-0.9.16","tevent-0.9.17","tevent-0.9.18","tevent-0.9.19","tevent-0.9.20","tevent-0.9.21","tevent-0.9.22","tevent-0.9.23","tevent-0.9.24","tevent-0.9.25","tevent-0.9.26","tevent-0.9.8"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12151.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.5"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"b.04.05.11.00"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}