Buffer overflow in the password management functionality in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted key file.
http://support.ntp.org/bin/view/Main/NtpBug2921
http://www.securityfocus.com/bid/77277
http://www.securitytracker.com/id/1033951
https://bugzilla.redhat.com/show_bug.cgi?id=1274263
Source: MITRE
Published: 2017-08-07
Updated: 2020-06-18
Type: CWE-120
Base Score: 6.5
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8
Severity: MEDIUM
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH