{"id":"CVE-2018-7184","details":"ntpd in ntp 4.2.8p4 before 4.2.8p11 drops bad packets before updating the \"received\" timestamp, which allows remote attackers to cause a denial of service (disruption) by sending a packet with a zero-origin timestamp causing the association to reset and setting the contents of the packet as the most recent timestamp. This issue is a result of an incomplete fix for CVE-2015-7704.","modified":"2026-04-16T06:16:44.717745966Z","published":"2018-03-06T20:29:01.437Z","related":["SUSE-SU-2018:0808-1","SUSE-SU-2018:0956-1","SUSE-SU-2018:1464-1","SUSE-SU-2018:1765-1","SUSE-SU-2018:1765-2","openSUSE-SU-2024:11102-1"],"references":[{"type":"WEB","url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us"},{"type":"ADVISORY","url":"http://support.ntp.org/bin/view/Main/NtpBug3453"},{"type":"ADVISORY","url":"http://www.securityfocus.com/archive/1/541824/100/0/threaded"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/103192"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20180626-0001/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3707-1/"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html"},{"type":"ADVISORY","url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201805-12"},{"type":"ADVISORY","url":"https://www.synology.com/support/security/Synology_SA_18_13"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.2.8-p10"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.8-p4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.8-p5"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.8-p6"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.8-p7"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.8-p8"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.8-p9"}]},{"events":[{"introduced":"0"},{"last_affected":"1.1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.1"}]},{"events":[{"introduced":"0"},{"last_affected":"14.0"}]},{"events":[{"introduced":"0"},{"last_affected":"14.1"}]},{"events":[{"introduced":"0"},{"last_affected":"14.2"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"17.10"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-7184.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:N/I:N/A:H"}]}