CVE-2026-26076
HighSummary
Podatność w ntpd-rs przed wersją 1.7.1 pozwala atakującemu na zdalne wywołanie umiarkowanego wzrostu zużycia CPU (2-4 razy powyżej normy). W przypadku włączonego NTS, atakujący może stworzyć źle sformatowane pakiety NTS, które wymagają znacznie więcej zasobów serwera do przetworzenia.
Risk Assessment
Zwiększone zużycie CPU może prowadzić do pogorszenia wydajności serwera, co wpływa na jego zdolność do obsługi normalnego obciążenia. Może to skutkować przerwami w dostępności usług dla użytkowników.
Recommendation
Zaleca się aktualizację ntpd-rs do wersji 1.7.1 lub nowszej, aby usunąć tę podatność i poprawić wydajność serwera.
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Original NVD description (English source)
ntpd-rs is a full-featured implementation of the Network Time Protocol. Prior to 1.7.1, an attacker can remotely induce moderate increases (2-4 times above normal) in cpu usage. When having NTS enabled on an ntpd-rs server, an attacker can create malformed NTS packets that take significantly more effort for the server to respond to by requesting a large number of cookies. This can lead to degraded server performance even when a server could otherwise handle the load. This vulnerability is fixed in 1.7.1.

