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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ntp | Ntp | * | 4.2.7 (including) |
| Red Hat Enterprise Linux 6 | RedHat | ntp-0:4.2.6p5-2.el6_6 | * |
| Red Hat Enterprise Linux 6.5 Extended Update Support | RedHat | ntp-0:4.2.6p5-2.el6_5 | * |
| Red Hat Enterprise Linux 7 | RedHat | ntp-0:4.2.6p5-19.el7_0 | * |
| Ntp | Ubuntu | devel | * |
| Ntp | Ubuntu | esm-infra-legacy/trusty | * |
| Ntp | Ubuntu | precise | * |
| Ntp | Ubuntu | trusty | * |
| Ntp | Ubuntu | trusty/esm | * |
| Ntp | Ubuntu | upstream | * |
| Ntp | Ubuntu | utopic | * |