Ubuntu Security Notice 2567-1 - Miroslav Lichvar discovered that NTP incorrectly validated MAC fields. A remote attacker could possibly use this issue to bypass authentication and spoof packets. Miroslav Lichvar discovered that NTP incorrectly handled certain invalid packets. A remote attacker could possibly use this issue to cause a denial of service. Juergen Perlinger discovered that NTP incorrectly generated MD5 keys on big-endian platforms. This issue could either cause ntp-keygen to hang, or could result in non-random keys. Various other issues were also addressed. Continue reading...
