https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-29T04:25:05.163610+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2015-1798 CVE-2015-1798 2026-09-29T04:25:05.168331+00:00

The symmetric-key feature in the receive function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p2 requires a correct MAC only if the MAC field has a nonzero length, which makes it easier for man-in-the-middle attackers to spoof packets by omitting the MAC.

 https://vulnerability.circl.lu/vuln/usn-2567-1 USN-2567-1 — ntp vulnerabilities 2026-09-29T04:25:05.168526+00:00

Affected: Ubuntu:14.04:LTS: ntp

Miroslav Lichvar discovered that NTP incorrectly validated MAC fields. A remote attacker could possibly use this issue to bypass authentication and spoof packets. (CVE-2015-1798)

Miroslav Lichvar discovered that NTP incorrectly handled certain invalid packets. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2015-1799)

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. (CVE number pending)