CVSS: 7.4EPSS: 5%CPEs: 79EXPL: 0CVE-2020-13817 – ntp: ntpd using highly predictable transmit timestamps could result in time change or DoS
https://notcve.org/view.php?id=CVE-2020-13817
ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service (daemon exit or system time change) by predicting transmit timestamps for use in spoofed packets. The victim must be relying on unauthenticated IPv4 time sources. There must be an off-path attacker who can query time from the victim's ntpd instance. ntpd en ntp versiones anteriores a 4.2.8p14 y versiones 4.3.x versiones anteriores a 4.3.100, permite a atacantes remotos causar una denegación de servicio (salida del demonio o cambio de hora del sistema) mediante la predicción de las marcas de tiempo de transmisión para su uso en paquetes falsificados. La víctima debe confiar en fuentes de tiempo IPv4 no autenticadas. Debe haber un atacante fuera de la ruta que pueda consultar el tiempo desde la instancia ntpd de la víctima A high-performance ntpd instance that gets its time from unauthenticated IPv4 time sources may be vulnerable to an off-path attacker who can query time from the victim's ntpd instance. • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html http://support.ntp.org/bin/view/Main/NtpBug3596 https://bugs.ntp.org/show_bug.cgi?id=3596 https://security.gentoo.org/glsa/202007-12 https://security.netapp.com/advisory/ntap-20200625-0004 https://www.oracle.com/security-alerts/cpujan2022.html https://access.redhat.com/security/cve/CVE-2020-13817 https://bugzilla.redhat.com/show_bug& • CWE-330: Use of Insufficiently Random Values CWE-358: Improperly Implemented Security Check for Standard •
CVSS: 7.5EPSS: 2%CPEs: 54EXPL: 0CVE-2020-11868 – ntp: DoS on client ntpd using server mode packet
https://notcve.org/view.php?id=CVE-2020-11868
ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp. ntpd en ntp versiones anteriores a 4.2.8p14 y versiones 4.3.x anteriores a 4.3.100, permite a un atacante fuera de ruta bloquear una sincronización no autenticada por medio de un paquete en modo server con una dirección IP de origen falsificado, porque las transmisiones son reprogramados aun cuando un paquete carece de una marca de tiempo de origen valido. A flaw was found in the Network Time Protocol (NTP), where a security issue exists that allows an off-path attacker to prevent the Network Time Protocol daemon (ntpd) from synchronizing with NTP servers not using authentication. A server mode packet with a spoofed source address sent to the client ntpd causes the next transmission to be rescheduled, even if the packet does not have a valid origin timestamp. If the packet is sent to the client frequently enough, it stops polling the server and is unable to synchronize with it. • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html http://support.ntp.org/bin/view/Main/NtpBug3592 https://bugzilla.redhat.com/show_bug.cgi?id=1716665 https://lists.debian.org/debian-lts-announce/2020/05/msg00004.html https://security.gentoo.org/glsa/202007-12 https://security.netapp.com/advisory/ntap-20200424-0002 https://www.oracle.com//security-alerts/cpujul2021.html https://access&# • CWE-346: Origin Validation Error CWE-400: Uncontrolled Resource Consumption •
CVSS: 5.3EPSS: 0%CPEs: 77EXPL: 0CVE-2014-5209
https://notcve.org/view.php?id=CVE-2014-5209
An Information Disclosure vulnerability exists in NTP 4.2.7p25 private (mode 6/7) messages via a GET_RESTRICT control message, which could let a malicious user obtain sensitive information. Existe una vulnerabilidad de Divulgación de Información en los mensajes privados (modo 6/7) de NTP versión 4.2.7p25 por medio de un mensaje de control GET_RESTRICT, que podría permitir a un usuario malicioso obtener información confidencial. • https://exchange.xforce.ibmcloud.com/vulnerabilities/95841 https://support.f5.com/csp/article/K44942017 https://support.f5.com/csp/article/K44942017?utm_source=f5support&%3Butm_medium=RSS • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 7.5EPSS: 0%CPEs: 35EXPL: 2CVE-2019-8936
https://notcve.org/view.php?id=CVE-2019-8936
NTP through 4.2.8p12 has a NULL Pointer Dereference. NTP hasta 4.2.8p12 tiene una desreferencia del puntero NULL. • https://github.com/snappyJack/CVE-2019-8936 http://bugs.ntp.org/show_bug.cgi?id=3565 http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00032.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00036.html http://packetstormsecurity.com/files/152915/FreeBSD-Security-Advisory-FreeBSD-SA-19-04.ntp.html http://support.ntp.org/bin/view/Main/SecurityNotice https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2NVS2CSG2TQ663CXOZZUJN4STQPMENNP http • CWE-476: NULL Pointer Dereference •
CVSS: 7.5EPSS: 3%CPEs: 63EXPL: 0CVE-2018-7185
https://notcve.org/view.php?id=CVE-2018-7185
The protocol engine in ntp 4.2.6 before 4.2.8p11 allows a remote attackers to cause a denial of service (disruption) by continually sending a packet with a zero-origin timestamp and source IP address of the "other side" of an interleaved association causing the victim ntpd to reset its association. El motor de protocolo en ntp, en versiones 4.2.6 anteriores a la 4.2.8p11, permite que atacantes remotos provoquen una denegación de servicio (interrupción) mediante el envío continuado de un paquete con una marca de tiempo zero-origin y la dirección IP de origen "del otro lado" de una asociación intercalada que provoca que el ntpd de la víctima restablezca su asociación. • http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html http://support.ntp.org/bin/view/Main/NtpBug3454 http://www.securityfocus.com/archive/1/541824/100/0/threaded http://www.securityfocus.com/bid/103339 https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc https://security.gentoo.org/glsa/201805-12 https://security.netapp.com/advisory/ntap-20180626-0001 https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en&# •