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2015-10-06
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CVE-2014-9751
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The read_network_packet function in ntp_io.c in ntpd in NTP 4.x before 4.2.8p1 on Linux and OS X does not properly determine whether a source IP address is an IPv6 loopback address, which makes it easier for remote attackers to spoof restricted packets, and read or write to the runtime state, by leveraging the ability to reach the ntpd machine's network interface with a packet from the ::1 address.
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Debian_linux, Ntp, Linux, Enterprise_linux_desktop, Enterprise_linux_server, Enterprise_linux_workstation
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N/A
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2020-04-17
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CVE-2020-11868
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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.
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Debian_linux, All_flash_fabric\-Attached_storage_8300_firmware, All_flash_fabric\-Attached_storage_8700_firmware, All_flash_fabric\-Attached_storage_a400_firmware, Clustered_data_ontap, Data_ontap, Fabric\-Attached_storage_8300_firmware, Fabric\-Attached_storage_8700_firmware, Fabric\-Attached_storage_a400_firmware, Hci_management_node, Hci_storage_node_firmware, Solidfire, Vasa_provider_for_clustered_data_ontap, Virtual_storage_console, Ntp, Enterprise_linux
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7.5
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2020-06-04
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CVE-2020-13817
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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.
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Ntp
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7.4
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2018-03-08
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CVE-2018-7183
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Buffer overflow in the decodearr function in ntpq in ntp 4.2.8p6 through 4.2.8p10 allows remote attackers to execute arbitrary code by leveraging an ntpq query and sending a response with a crafted array.
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Ubuntu_linux, Freebsd, Element_software, Ntp
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9.8
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2016-07-05
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CVE-2016-4954
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The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication.
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Ntp, Leap, Opensuse, Solaris, Simatic_net_cp_443\-1_opc_ua_firmware, Tim_4r\-Ie_dnp3_firmware, Tim_4r\-Ie_firmware, Linux_enterprise_desktop, Linux_enterprise_server, Manager, Manager_proxy, Openstack_cloud
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7.5
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2016-07-05
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CVE-2016-4953
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ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (ephemeral-association demobilization) by sending a spoofed crypto-NAK packet with incorrect authentication data at a certain time.
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Ntp, Leap, Opensuse, Solaris, Simatic_net_cp_443\-1_opc_ua_firmware, Tim_4r\-Ie_dnp3_firmware, Tim_4r\-Ie_firmware, Linux_enterprise_desktop, Linux_enterprise_server, Manager, Manager_proxy, Openstack_cloud
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7.5
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2016-07-05
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CVE-2016-4956
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ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (interleaved-mode transition and time change) via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548.
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Suse_manager, Ntp, Leap, Opensuse, Solaris, Simatic_net_cp_443\-1_opc_ua_firmware, Linux_enterprise_desktop, Linux_enterprise_server, Manager_proxy, Openstack_cloud
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5.3
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2016-07-05
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CVE-2016-4955
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ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service (peer-variable clearing and association outage) by sending (1) a spoofed crypto-NAK packet or (2) a packet with an incorrect MAC value at a certain time.
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Suse_manager, Ntp, Leap, Opensuse, Solaris, Simatic_net_cp_443\-1_opc_ua_firmware, Linux_enterprise_desktop, Linux_enterprise_server, Manager_proxy, Openstack_cloud
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5.9
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2017-01-13
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CVE-2016-7433
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NTP before 4.2.8p9 does not properly perform the initial sync calculations, which allows remote attackers to unspecified impact via unknown vectors, related to a "root distance that did not include the peer dispersion."
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Ntp
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5.3
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2017-08-07
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CVE-2015-7705
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The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of crafted requests.
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Xenserver, Clustered_data_ontap, Data_ontap, Oncommand_performance_manager, Oncommand_unified_manager, Ntp, Tim_4r\-Ie_dnp3_firmware, Tim_4r\-Ie_firmware
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9.8
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