ntpd 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 (infinite loop or crash) by pointing the key file at the log file.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.5", "binary_name": "ntp" }, { "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.5", "binary_name": "ntp-dbgsym" }, { "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.5", "binary_name": "ntp-doc" }, { "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.5", "binary_name": "ntpdate" }, { "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.5", "binary_name": "ntpdate-dbgsym" } ] }