{"id":"CVE-2016-3120","details":"The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses an incorrect client data structure, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an S4U2Self request.","modified":"2026-05-17T11:54:44.631785329Z","published":"2016-08-01T02:59:12.370Z","related":["SUSE-SU-2016:2136-1","openSUSE-SU-2024:10004-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_FIELD","cpes":["cpe:2.3:a:mit:kerberos_5:1.13:*:*:*:*:*:*:*"],"vendor_product":"mit:kerberos_5","extracted_events":[{"last_affected":"1.13"}]}]},"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.html"},{"type":"WEB","url":"http://web.mit.edu/kerberos/krb5-1.13/"},{"type":"WEB","url":"http://web.mit.edu/kerberos/krb5-1.14/"},{"type":"WEB","url":"http://www.securityfocus.com/bid/92132"},{"type":"WEB","url":"http://www.securitytracker.com/id/1036442"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-2591.html"},{"type":"REPORT","url":"http://krbdev.mit.edu/rt/Ticket/Display.html?id=8458"},{"type":"FIX","url":"https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}