Vulnerabilidades / CVE-2015-7871

crítica

CVE-2015-7871

ntp: crypto-NAK symmetric association authentication bypass vulnerability

Publicada Modificada CWE 287
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.

Severidad por fuente

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat6.4AV:N/AC:L/Au:N/C:N/I:P/A:P

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD. Más baja según Red Hat (alta), Amazon (alta), Ubuntu (media).

Descripción

Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
amazon linux 1ntp, ntp-debuginfo, ntp-doc y 2 más4.2.6p5-34.27.amzn1
debian 11ntp1:4.2.8p4+dfsg-1
debian 7ntp1:4.2.6.p5+dfsg-2+deb7u6
debian 8ntp1:4.2.6.p5+dfsg-7+deb8u1
ubuntu 12.04ntp1:4.2.6.p3+dfsg-1ubuntu3.6
ubuntu 14.04ntp1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
ubuntu 14.04-ESMntp1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
ubuntu 15.04ntp1:4.2.6.p5+dfsg-3ubuntu6.2
ubuntu 15.10ntp1:4.2.6.p5+dfsg-3ubuntu8.1
Mostrar las 13 entradas de 9 fuentes
FuentePaqueteCorregido en
amazon linux 1ntp4.2.6p5-34.27.amzn1
amazon linux 1ntp-debuginfo4.2.6p5-34.27.amzn1
amazon linux 1ntp-doc4.2.6p5-34.27.amzn1
amazon linux 1ntp-perl4.2.6p5-34.27.amzn1
amazon linux 1ntpdate4.2.6p5-34.27.amzn1
debian 11ntp1:4.2.8p4+dfsg-1
debian 7ntp1:4.2.6.p5+dfsg-2+deb7u6
debian 8ntp1:4.2.6.p5+dfsg-7+deb8u1
ubuntu 12.04ntp1:4.2.6.p3+dfsg-1ubuntu3.6
ubuntu 14.04ntp1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
ubuntu 14.04-ESMntp1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
ubuntu 15.04ntp1:4.2.6.p5+dfsg-3ubuntu6.2
ubuntu 15.10ntp1:4.2.6.p5+dfsg-3ubuntu8.1

Referencias

Las 17 referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.