CVE-2013-5211
La característica monlist en ntp_request.c en ntpd en NTP antes 4.2.7p26 permite a atacantes remotos provocar una denegación de servicio (amplificación de tráfico) a través de solicitudes (1) REQ_MON_GETLIST o (2) solicitudes REQ_MON_GETLIST_1, como han sido explotados en diciembre de 2013.
CVSS
- Versión: 2.0
- Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
- Puntuación base: 5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 98%
- Percentil entre todas las CVEs puntuadas: 100
- Fecha de la puntuación: 12/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
💥 Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Publicado en Exploit-DB · NTP ntpd monlist Query Reflection - Denial of Service (28/4/2014)
- Prueba de concepto en GitHub (no verificada) · Lista de pruebas de concepto en GitHub
⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.
Tecnologías afectadas (3)
CWE
- CWE-20
Referencias
- http://aix.software.ibm.com/aix/efixes/security/ntp_advisory.asc
- http://bugs.ntp.org/show_bug.cgi?id=1532
- http://ics-cert.us-cert.gov/advisories/ICSA-14-051-04
- http://lists.ntp.org/pipermail/pool/2011-December/005616.html
- http://lists.opensuse.org/opensuse-updates/2014-09/msg00031.html
- http://marc.info/?l=bugtraq&m=138971294629419&w=2
- http://marc.info/?l=bugtraq&m=144182594518755&w=2
- http://openwall.com/lists/oss-security/2013/12/30/6
- http://openwall.com/lists/oss-security/2013/12/30/7
- http://secunia.com/advisories/59288
- http://secunia.com/advisories/59726
- http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095861
- http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095892
- http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-dev/ntp-dev-4.2.7p26.tar.gz
- http://www.kb.cert.org/vuls/id/348126
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/64692
- http://www.securitytracker.com/id/1030433
- http://www.us-cert.gov/ncas/alerts/TA14-013A
- https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04790232
- https://puppet.com/security/cve/puppetlabs-ntp-nov-2015-advisory
- http://aix.software.ibm.com/aix/efixes/security/ntp_advisory.asc
- http://bugs.ntp.org/show_bug.cgi?id=1532
- http://ics-cert.us-cert.gov/advisories/ICSA-14-051-04
- http://lists.ntp.org/pipermail/pool/2011-December/005616.html
- http://lists.opensuse.org/opensuse-updates/2014-09/msg00031.html
- http://marc.info/?l=bugtraq&m=138971294629419&w=2
- http://marc.info/?l=bugtraq&m=144182594518755&w=2
- http://openwall.com/lists/oss-security/2013/12/30/6
- http://openwall.com/lists/oss-security/2013/12/30/7
- http://secunia.com/advisories/59288
- http://secunia.com/advisories/59726
- http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095861
- http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095892
- http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-dev/ntp-dev-4.2.7p26.tar.gz
- http://www.kb.cert.org/vuls/id/348126
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/64692
- http://www.securitytracker.com/id/1030433
- http://www.us-cert.gov/ncas/alerts/TA14-013A
- https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04790232
- https://puppet.com/security/cve/puppetlabs-ntp-nov-2015-advisory
JSON original (NVD)
Mostrar
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