{"id":"CVE-2016-1550","details":"An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key.","modified":"2026-03-15T22:05:14.998656Z","published":"2017-01-06T21:59:00.413Z","related":["MGASA-2016-0174","SUSE-SU-2016:1278-1","SUSE-SU-2016:1291-1","SUSE-SU-2016:1471-1","SUSE-SU-2016:1568-1","openSUSE-SU-2024:10181-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/88261"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html"},{"type":"WEB","url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html"},{"type":"WEB","url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"},{"type":"WEB","url":"https://www.kb.cert.org/vuls/id/718152"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html"},{"type":"WEB","url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html"},{"type":"WEB","url":"http://www.securityfocus.com/archive/1/538233/100/0/threaded"},{"type":"WEB","url":"http://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded"},{"type":"WEB","url":"http://www.securitytracker.com/id/1035705"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html"},{"type":"WEB","url":"http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html"},{"type":"WEB","url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0084"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201607-15"},{"type":"ADVISORY","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"},{"type":"ADVISORY","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11"},{"type":"ADVISORY","url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20171004-0002/"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-1552.html"},{"type":"ADVISORY","url":"http://www.talosintelligence.com/reports/TALOS-2016-0084/"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3629"},{"type":"ADVISORY","url":"https://www.debian.org/security/2016/dsa-3629"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3096-1"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2016:1141"},{"type":"ADVISORY","url":"https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.2.8-p4"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-1550.json"}}],"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"}]}