{"id":"CVE-2016-2119","details":"libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the (1) SMB2_SESSION_FLAG_IS_GUEST or (2) SMB2_SESSION_FLAG_IS_NULL flag.","modified":"2026-04-11T15:23:07.597565Z","published":"2016-07-07T15:59:00.133Z","related":["SUSE-SU-2016:2306-1","SUSE-SU-2016:2570-1","openSUSE-SU-2024:10069-1"],"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-1486.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-1487.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-1494.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/91700"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1036244"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201805-07"},{"type":"ADVISORY","url":"https://www.samba.org/samba/security/CVE-2016-2119.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/samba-team/samba","events":[{"introduced":"df33344d8eb40221d60c99931690703a11d91bc2"},{"fixed":"c7c5fe127366aa8edb69247f80a4e015969cf1b3"},{"introduced":"b85f6018c803fb9aad82820d4b5505179ec5bac3"},{"fixed":"c7bc0175839f5090a51acb34b1c0f8331b95ffe5"},{"introduced":"30812c414bb0ceb95abae08c35b94b2f97be4c5c"},{"fixed":"fb3e6296bb09534f882ea35e7f7ca4e5871d3222"}],"database_specific":{"extracted_events":[{"introduced":"4.0.0"},{"fixed":"4.2.14"},{"introduced":"4.3.0"},{"fixed":"4.3.11"},{"introduced":"4.4.0"},{"fixed":"4.4.5"}],"cpe":"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*","source":"CPE_FIELD"}}],"versions":["samba-4.3.0","samba-4.3.1","samba-4.3.10","samba-4.3.2","samba-4.3.4","samba-4.3.5","samba-4.3.9","samba-4.4.0","samba-4.4.1","samba-4.4.2","samba-4.4.3","samba-4.4.4"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-2119.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}