{"id":"CVE-2015-7974","details":"NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a \"skeleton key.\"","modified":"2026-01-27T04:15:10.250656Z","published":"2016-01-26T19:59:00Z","withdrawn":"2026-01-27T04:15:10.250656Z","related":["MGASA-2016-0039","SUSE-SU-2016:1175-1","SUSE-SU-2016:1177-1","SUSE-SU-2016:1247-1","SUSE-SU-2016:1278-1","SUSE-SU-2016:1291-1","SUSE-SU-2016:1311-1","SUSE-SU-2016:1471-1","SUSE-SU-2016:1568-1","openSUSE-SU-2024:10181-1"],"references":[{"type":"REPORT","url":"http://bugs.ntp.org/show_bug.cgi?id=2936"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-2583.html"},{"type":"ADVISORY","url":"http://support.ntp.org/bin/view/Main/NtpBug2936"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3629"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/81960"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1034782"},{"type":"EVIDENCE","url":"http://www.talosintel.com/reports/TALOS-2016-0071/"},{"type":"ADVISORY","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf"},{"type":"ADVISORY","url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us"},{"type":"ADVISORY","url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us"},{"type":"ADVISORY","url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201607-15"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20171031-0001/"},{"type":"ADVISORY","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"}]}