The receive function in ntp_proto.c in ntpd in NTP before 4.2.8 continues to execute after detecting a certain authentication error, which might allow remote attackers to trigger an unintended association change via crafted packets.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.1", "binary_name": "ntp" }, { "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.1", "binary_name": "ntp-doc" }, { "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.1", "binary_name": "ntpdate" } ] }