NTP before 4.2.8p7 and 4.3.x before 4.3.92, when mode7 is enabled, allows remote attackers to cause a denial of service (ntpd abort) by using the same IP address multiple times in an unconfig directive.
{ "ubuntu_priority": "medium", "availability": "No subscription required", "binaries": [ { "binary_name": "ntp", "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.10" }, { "binary_name": "ntp-dbgsym", "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.10" }, { "binary_name": "ntp-doc", "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.10" }, { "binary_name": "ntpdate", "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.10" }, { "binary_name": "ntpdate-dbgsym", "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.10" } ] }
{ "ubuntu_priority": "medium", "availability": "No subscription required", "binaries": [ { "binary_name": "ntp", "binary_version": "1:4.2.8p4+dfsg-3ubuntu5.3" }, { "binary_name": "ntp-dbgsym", "binary_version": "1:4.2.8p4+dfsg-3ubuntu5.3" }, { "binary_name": "ntp-doc", "binary_version": "1:4.2.8p4+dfsg-3ubuntu5.3" }, { "binary_name": "ntpdate", "binary_version": "1:4.2.8p4+dfsg-3ubuntu5.3" }, { "binary_name": "ntpdate-dbgsym", "binary_version": "1:4.2.8p4+dfsg-3ubuntu5.3" } ] }