Vulnerabilidad en NTP (CVE-2015-7705)
Gravedad CVSS v3.1:
CRÍTICA
Tipo:
CWE-20
Validación incorrecta de entrada
Fecha de publicación:
07/08/2017
Última modificación:
20/04/2025
Descripción
La funcionalidad de limitación de velocidad en NTP 4.x en versiones anteriores a la 4.2.8p4 y 4.3.x en versiones anteriores a la 4.3.77 permite que atacantes remotos provoquen errores sin especificar empleando un gran número de peticiones manipuladas.
Impacto
Puntuación base 3.x
9.80
Gravedad 3.x
CRÍTICA
Puntuación base 2.0
7.50
Gravedad 2.0
ALTA
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) | 4.3.77 (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://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
- http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
- http://support.ntp.org/bin/view/Main/NtpBug2901
- http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
- http://www.securityfocus.com/archive/1/536737/100/0/threaded
- http://www.securityfocus.com/archive/1/536796/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
- http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
- http://www.securityfocus.com/bid/77284
- http://www.securitytracker.com/id/1033951
- http://www.ubuntu.com/usn/USN-2783-1
- https://bto.bluecoat.com/security-advisory/sa103
- https://bugzilla.redhat.com/show_bug.cgi?id=1274184
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://eprint.iacr.org/2015/1020.pdf
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171004-0001/
- https://support.citrix.com/article/CTX220112
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
- https://www.arista.com/en/support/advisories-notices/security-advisories/1212-security-advisory-0016
- https://www.cs.bu.edu/~goldbe/NTPattack.html
- https://www.kb.cert.org/vuls/id/718152
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
- http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
- http://support.ntp.org/bin/view/Main/NtpBug2901
- http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
- http://www.securityfocus.com/archive/1/536737/100/0/threaded
- http://www.securityfocus.com/archive/1/536796/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
- http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
- http://www.securityfocus.com/bid/77284
- http://www.securitytracker.com/id/1033951
- http://www.ubuntu.com/usn/USN-2783-1
- https://bto.bluecoat.com/security-advisory/sa103
- https://bugzilla.redhat.com/show_bug.cgi?id=1274184
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://eprint.iacr.org/2015/1020.pdf
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171004-0001/
- https://support.citrix.com/article/CTX220112
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
- https://www.arista.com/en/support/advisories-notices/security-advisories/1212-security-advisory-0016
- https://www.cs.bu.edu/~goldbe/NTPattack.html
- https://www.kb.cert.org/vuls/id/718152



