{"id":"USN-5175-1","summary":"ntp vulnerability","details":"It was discovered that ntpd incorrectly handled memory when CMAC keys\nwere used. A remote attacker could possibly use this issue to cause ntpd to\ncrash resulting in a denial of service.\n","modified":"2026-02-10T04:42:24Z","published":"2021-12-06T14:10:56Z","upstream":["CVE-2020-15025","UBUNTU-CVE-2020-15025"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5175-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15025"}],"affected":[{"package":{"name":"ntp","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/ntp@1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1"}]}],"versions":["1:4.2.8p12+dfsg-3ubuntu2","1:4.2.8p12+dfsg-3ubuntu3","1:4.2.8p12+dfsg-3ubuntu4","1:4.2.8p12+dfsg-3ubuntu4.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"ntp","binary_version":"1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1"},{"binary_name":"ntpdate","binary_version":"1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1"},{"binary_name":"sntp","binary_version":"1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5175-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2020-15025","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.3"}