Vulnerabilidad en ntpd en NTP (CVE-2016-4953)
Gravedad CVSS v3.1:
ALTA
Tipo:
CWE-287
Autenticación incorrecta
Fecha de publicación:
05/07/2016
Última modificación:
12/04/2025
Descripción
ntpd en NTP 4.x en versiones anteriores a 4.2.8p8 permite a atacantes remotos provocar una denegación de servicio (desmovilización de asociación efímera) mediante el envío de un paquete crypto-NAK falsificado con datos de autenticación incorrectos en un momento determinado.
Impacto
Puntuación base 3.x
7.50
Gravedad 3.x
ALTA
Puntuación base 2.0
5.00
Gravedad 2.0
MEDIA
Productos y versiones vulnerables
| CPE | Desde | Hasta |
|---|---|---|
| cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 4.2.0 (incluyendo) | 4.2.8 (excluyendo) |
| cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 4.3.0 (incluyendo) | 4.3.93 (excluyendo) |
| cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* |
Para consultar la lista completa de nombres de CPE con productos y versiones, ver esta página
Referencias a soluciones, herramientas e información
- http://bugs.ntp.org/3045
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
- http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html
- http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html
- http://support.ntp.org/bin/view/Main/NtpBug3045
- http://support.ntp.org/bin/view/Main/SecurityNotice
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd
- http://www.kb.cert.org/vuls/id/321640
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securityfocus.com/archive/1/538599/100/0/threaded
- http://www.securityfocus.com/archive/1/538600/100/0/threaded
- http://www.securityfocus.com/archive/1/540683/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/540683/100/0/threaded
- http://www.securityfocus.com/bid/91010
- http://www.securitytracker.com/id/1036037
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03757en_us
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
- https://www.kb.cert.org/vuls/id/321640
- http://bugs.ntp.org/3045
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
- http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html
- http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html
- http://support.ntp.org/bin/view/Main/NtpBug3045
- http://support.ntp.org/bin/view/Main/SecurityNotice
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd
- http://www.kb.cert.org/vuls/id/321640
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securityfocus.com/archive/1/538599/100/0/threaded
- http://www.securityfocus.com/archive/1/538600/100/0/threaded
- http://www.securityfocus.com/archive/1/540683/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/540683/100/0/threaded
- http://www.securityfocus.com/bid/91010
- http://www.securitytracker.com/id/1036037
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03757en_us
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
- https://www.kb.cert.org/vuls/id/321640