{"id":"USN-2567-1","summary":"ntp vulnerabilities","details":"Miroslav Lichvar discovered that NTP incorrectly validated MAC fields. A\nremote attacker could possibly use this issue to bypass authentication and\nspoof packets. (CVE-2015-1798)\n\nMiroslav Lichvar discovered that NTP incorrectly handled certain invalid\npackets. A remote attacker could possibly use this issue to cause a denial\nof service. (CVE-2015-1799)\n\nJuergen Perlinger discovered that NTP incorrectly generated MD5 keys on\nbig-endian platforms. This issue could either cause ntp-keygen to hang, or\ncould result in non-random keys. (CVE number pending)\n","modified":"2026-02-10T04:40:53Z","published":"2015-04-13T15:13:12Z","related":["UBUNTU-CVE-2015-1798","UBUNTU-CVE-2015-1799","UBUNTU-CVE-2015-3405"],"upstream":["CVE-2015-1798","CVE-2015-1799","UBUNTU-CVE-2015-1798","UBUNTU-CVE-2015-1799"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2567-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-1798"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-1799"}],"affected":[{"package":{"name":"ntp","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/ntp@1:4.2.6.p5+dfsg-3ubuntu2.14.04.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.2.6.p5+dfsg-3ubuntu2.14.04.3"}]}],"versions":["1:4.2.6.p5+dfsg-3ubuntu2","1:4.2.6.p5+dfsg-3ubuntu2.14.04.1","1:4.2.6.p5+dfsg-3ubuntu2.14.04.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"ntp","binary_version":"1:4.2.6.p5+dfsg-3ubuntu2.14.04.3"},{"binary_name":"ntpdate","binary_version":"1:4.2.6.p5+dfsg-3ubuntu2.14.04.3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2567-1.json","cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2015-1798"},{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2015-1799"}]}}}],"schema_version":"1.7.3"}