Filtered by vendor Ntp
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Total
94 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2020-11868 | 5 Debian, Netapp, Ntp and 2 more | 24 Debian Linux, All Flash Fabric-attached Storage 8300, All Flash Fabric-attached Storage 8300 Firmware and 21 more | 2022-04-26 | 5.0 MEDIUM | 7.5 HIGH |
| 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. | |||||
| CVE-2020-13817 | 1 Ntp | 1 Ntp | 2022-02-07 | 5.8 MEDIUM | 7.4 HIGH |
| 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. | |||||
| CVE-2015-7977 | 8 Canonical, Debian, Fedoraproject and 5 more | 12 Ubuntu Linux, Debian Linux, Fedora and 9 more | 2022-02-01 | 4.3 MEDIUM | 5.9 MEDIUM |
| ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntpdc reslist command. | |||||
| CVE-2014-9296 | 1 Ntp | 1 Ntp | 2021-11-17 | 5.0 MEDIUM | N/A |
| The receive function in ntp_proto.c in ntpd in NTP before 4.2.8 continues to execute after detecting a certain authentication error, which might allow remote attackers to trigger an unintended association change via crafted packets. | |||||
| CVE-2014-9295 | 1 Ntp | 1 Ntp | 2021-11-17 | 7.5 HIGH | N/A |
| Multiple stack-based buffer overflows in ntpd in NTP before 4.2.8 allow remote attackers to execute arbitrary code via a crafted packet, related to (1) the crypto_recv function when the Autokey Authentication feature is used, (2) the ctl_putdata function, and (3) the configure function. | |||||
| CVE-2014-9294 | 1 Ntp | 1 Ntp | 2021-11-17 | 7.5 HIGH | N/A |
| util/ntp-keygen.c in ntp-keygen in NTP before 4.2.7p230 uses a weak RNG seed, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack. | |||||
| CVE-2014-9293 | 1 Ntp | 1 Ntp | 2021-11-17 | 7.5 HIGH | N/A |
| The config_auth function in ntpd in NTP before 4.2.7p11, when an auth key is not configured, improperly generates a key, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack. | |||||
| CVE-2016-1550 | 1 Ntp | 1 Ntp | 2021-11-17 | 5.0 MEDIUM | 5.3 MEDIUM |
| An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key. | |||||
| CVE-2016-1547 | 1 Ntp | 1 Ntp | 2021-11-17 | 5.0 MEDIUM | 5.3 MEDIUM |
| An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled. | |||||
| CVE-2016-1548 | 1 Ntp | 1 Ntp | 2021-11-17 | 6.4 MEDIUM | 7.2 HIGH |
| An attacker can spoof a packet from a legitimate ntpd server with an origin timestamp that matches the peer->dst timestamp recorded for that server. After making this switch, the client in NTP 4.2.8p4 and earlier and NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c will reject all future legitimate server responses. It is possible to force the victim client to move time after the mode has been changed. ntpq gives no indication that the mode has been switched. | |||||
| CVE-2015-8138 | 1 Ntp | 1 Ntp | 2021-11-17 | 5.0 MEDIUM | 5.3 MEDIUM |
| NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to bypass the origin timestamp validation via a packet with an origin timestamp set to zero. | |||||
| CVE-2015-7704 | 6 Citrix, Debian, Mcafee and 3 more | 14 Xenserver, Debian Linux, Enterprise Security Manager and 11 more | 2021-11-17 | 5.0 MEDIUM | 7.5 HIGH |
| The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service via a number of crafted "KOD" messages. | |||||
| CVE-2015-7705 | 4 Citrix, Netapp, Ntp and 1 more | 10 Xenserver, Clustered Data Ontap, Data Ontap and 7 more | 2021-11-17 | 7.5 HIGH | 9.8 CRITICAL |
| 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. | |||||
| CVE-2014-9751 | 6 Apple, Debian, Linux and 3 more | 8 Macos, Debian Linux, Linux Kernel and 5 more | 2021-09-08 | 6.8 MEDIUM | N/A |
| 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. | |||||
| CVE-2018-7183 | 4 Canonical, Freebsd, Netapp and 1 more | 4 Ubuntu Linux, Freebsd, Element Software and 1 more | 2021-07-20 | 7.5 HIGH | 9.8 CRITICAL |
| 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. | |||||
| CVE-2016-2518 | 7 Debian, Freebsd, Netapp and 4 more | 18 Debian Linux, Freebsd, Clustered Data Ontap and 15 more | 2021-06-10 | 5.0 MEDIUM | 5.3 MEDIUM |
| The MATCH_ASSOC function in NTP before version 4.2.8p9 and 4.3.x before 4.3.92 allows remote attackers to cause an out-of-bounds reference via an addpeer request with a large hmode value. | |||||
| CVE-2016-4953 | 5 Ntp, Opensuse, Oracle and 2 more | 15 Ntp, Leap, Opensuse and 12 more | 2021-06-09 | 5.0 MEDIUM | 7.5 HIGH |
| 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. | |||||
| CVE-2017-6458 | 4 Apple, Hpe, Ntp and 1 more | 5 Mac Os X, Hpux-ntp, Ntp and 2 more | 2021-06-09 | 6.5 MEDIUM | 8.8 HIGH |
| Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable. | |||||
| CVE-2016-4955 | 6 Novell, Ntp, Opensuse and 3 more | 11 Suse Manager, Ntp, Leap and 8 more | 2021-06-08 | 4.3 MEDIUM | 5.9 MEDIUM |
| 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. | |||||
| CVE-2016-4954 | 5 Ntp, Opensuse, Oracle and 2 more | 15 Ntp, Leap, Opensuse and 12 more | 2021-06-08 | 5.0 MEDIUM | 7.5 HIGH |
| 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. | |||||
| CVE-2016-9042 | 4 Freebsd, Hpe, Ntp and 1 more | 5 Freebsd, Hpux-ntp, Ntp and 2 more | 2021-06-08 | 4.3 MEDIUM | 5.9 MEDIUM |
| An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legitimate replies from targeted peers will fail the origin timestamp check (TEST2) causing the reply to be dropped and creating a denial of service condition. | |||||
| CVE-2016-4956 | 6 Novell, Ntp, Opensuse and 3 more | 11 Suse Manager, Ntp, Leap and 8 more | 2021-06-08 | 5.0 MEDIUM | 5.3 MEDIUM |
| 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. | |||||
| CVE-2015-7853 | 2 Netapp, Ntp | 6 Clustered Data Ontap, Data Ontap, Oncommand Balance and 3 more | 2021-06-08 | 7.5 HIGH | 9.8 CRITICAL |
| The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value. | |||||
| CVE-2016-7431 | 1 Ntp | 1 Ntp | 2021-06-08 | 5.0 MEDIUM | 5.3 MEDIUM |
| NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression. | |||||
| CVE-2016-7433 | 1 Ntp | 1 Ntp | 2021-06-08 | 5.0 MEDIUM | 5.3 MEDIUM |
| 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." | |||||
| CVE-2015-7974 | 4 Debian, Netapp, Ntp and 1 more | 8 Debian Linux, Clustered Data Ontap, Oncommand Balance and 5 more | 2021-04-26 | 4.0 MEDIUM | 7.7 HIGH |
| NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key." | |||||
| CVE-2015-7973 | 5 Canonical, Freebsd, Netapp and 2 more | 9 Ubuntu Linux, Freebsd, Clustered Data Ontap and 6 more | 2021-04-26 | 5.8 MEDIUM | 6.5 MEDIUM |
| NTP before 4.2.8p6 and 4.3.x before 4.3.90, when configured in broadcast mode, allows man-in-the-middle attackers to conduct replay attacks by sniffing the network. | |||||
| CVE-2015-7855 | 4 Debian, Netapp, Ntp and 1 more | 11 Debian Linux, Clustered Data Ontap, Data Ontap and 8 more | 2021-04-19 | 4.0 MEDIUM | 6.5 MEDIUM |
| The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value. | |||||
| CVE-2015-5219 | 10 Canonical, Debian, Fedoraproject and 7 more | 20 Ubuntu Linux, Debian Linux, Fedora and 17 more | 2021-04-19 | 5.0 MEDIUM | 7.5 HIGH |
| The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service (infinite loop) via a crafted NTP packet. | |||||
| CVE-2015-7979 | 1 Ntp | 1 Ntp | 2021-04-15 | 5.0 MEDIUM | 7.5 HIGH |
| NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (client-server association tear down) by sending broadcast packets with invalid authentication to a broadcast client. | |||||
| CVE-2015-7871 | 3 Debian, Netapp, Ntp | 7 Debian Linux, Clustered Data Ontap, Data Ontap and 4 more | 2021-04-13 | 7.5 HIGH | 9.8 CRITICAL |
| Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication. | |||||
| CVE-2020-15025 | 1 Ntp | 1 Ntp | 2021-01-20 | 4.0 MEDIUM | 4.9 MEDIUM |
| ntpd in ntp 4.2.8 before 4.2.8p15 and 4.3.x before 4.3.101 allows remote attackers to cause a denial of service (memory consumption) by sending packets, because memory is not freed in situations where a CMAC key is used and associated with a CMAC algorithm in the ntp.keys file. | |||||
| CVE-2019-8936 | 5 Fedoraproject, Hpe, Netapp and 2 more | 6 Fedora, Hpux-ntp, Clustered Data Ontap and 3 more | 2020-10-07 | 5.0 MEDIUM | 7.5 HIGH |
| NTP through 4.2.8p12 has a NULL Pointer Dereference. | |||||
| CVE-2018-7184 | 5 Canonical, Netapp, Ntp and 2 more | 10 Ubuntu Linux, Cloud Backup, Steelstore Cloud Integrated Storage and 7 more | 2020-08-24 | 5.0 MEDIUM | 7.5 HIGH |
| ntpd in ntp 4.2.8p4 before 4.2.8p11 drops bad packets before updating the "received" timestamp, which allows remote attackers to cause a denial of service (disruption) by sending a packet with a zero-origin timestamp causing the association to reset and setting the contents of the packet as the most recent timestamp. This issue is a result of an incomplete fix for CVE-2015-7704. | |||||
| CVE-2019-11331 | 1 Ntp | 1 Ntp | 2020-08-24 | 6.8 MEDIUM | 8.1 HIGH |
| Network Time Protocol (NTP), as specified in RFC 5905, uses port 123 even for modes where a fixed port number is not required, which makes it easier for remote attackers to conduct off-path attacks. | |||||
| CVE-2018-7185 | 6 Canonical, Hpe, Netapp and 3 more | 23 Ubuntu Linux, Hpux-ntp, Hci and 20 more | 2020-08-24 | 5.0 MEDIUM | 7.5 HIGH |
| 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. | |||||
| CVE-2018-12327 | 1 Ntp | 1 Ntp | 2020-08-24 | 7.5 HIGH | 9.8 CRITICAL |
| Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or escalate to higher privileges via a long string as the argument for an IPv4 or IPv6 command-line parameter. NOTE: It is unclear whether there are any common situations in which ntpq or ntpdc is used with a command line from an untrusted source. | |||||
| CVE-2018-8956 | 1 Ntp | 1 Ntp | 2020-07-19 | 5.0 MEDIUM | 5.3 MEDIUM |
| ntpd in ntp 4.2.8p10, 4.2.8p11, 4.2.8p12 and 4.2.8p13 allow remote attackers to prevent a broadcast client from synchronizing its clock with a broadcast NTP server via soofed mode 3 and mode 5 packets. The attacker must either be a part of the same broadcast network or control a slave in that broadcast network that can capture certain required packets on the attacker's behalf and send them to the attacker. | |||||
| CVE-2015-7851 | 1 Ntp | 1 Ntp | 2020-06-18 | 3.5 LOW | 6.5 MEDIUM |
| Directory traversal vulnerability in the save_config function in ntpd in ntp_control.c in NTP before 4.2.8p4, when used on systems that do not use '\' or '/' characters for directory separation such as OpenVMS, allows remote authenticated users to overwrite arbitrary files. | |||||
| CVE-2015-7703 | 5 Debian, Netapp, Ntp and 2 more | 13 Debian Linux, Clustered Data Ontap, Data Ontap and 10 more | 2020-06-18 | 4.3 MEDIUM | 7.5 HIGH |
| The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command. | |||||
| CVE-2016-7434 | 2 Hpe, Ntp | 2 Hpux-ntp, Ntp | 2020-06-18 | 4.3 MEDIUM | 7.5 HIGH |
| The read_mru_list function in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (crash) via a crafted mrulist query. | |||||
| CVE-2016-7426 | 4 Canonical, Hpe, Ntp and 1 more | 9 Ubuntu Linux, Hpux-ntp, Ntp and 6 more | 2020-06-18 | 4.3 MEDIUM | 7.5 HIGH |
| NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service (prevent responses from the sources) by sending responses with a spoofed source address. | |||||
| CVE-2016-4957 | 5 Novell, Ntp, Opensuse and 2 more | 9 Suse Manager, Ntp, Leap and 6 more | 2020-06-18 | 5.0 MEDIUM | 7.5 HIGH |
| ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-1547. | |||||
| CVE-2015-7702 | 5 Debian, Netapp, Ntp and 2 more | 13 Debian Linux, Clustered Data Ontap, Data Ontap and 10 more | 2020-06-18 | 4.0 MEDIUM | 6.5 MEDIUM |
| The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash). NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750. | |||||
| CVE-2015-7701 | 5 Debian, Netapp, Ntp and 2 more | 13 Debian Linux, Clustered Data Ontap, Data Ontap and 10 more | 2020-06-18 | 5.0 MEDIUM | 7.5 HIGH |
| Memory leak in the CRYPTO_ASSOC function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (memory consumption). | |||||
| CVE-2015-7692 | 5 Debian, Netapp, Ntp and 2 more | 13 Debian Linux, Clustered Data Ontap, Data Ontap and 10 more | 2020-06-18 | 5.0 MEDIUM | 7.5 HIGH |
| The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash). NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750. | |||||
| CVE-2015-7691 | 5 Debian, Netapp, Ntp and 2 more | 13 Debian Linux, Clustered Data Ontap, Data Ontap and 10 more | 2020-06-18 | 5.0 MEDIUM | 7.5 HIGH |
| The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted packets containing particular autokey operations. NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750. | |||||
| CVE-2014-9750 | 4 Debian, Ntp, Oracle and 1 more | 6 Debian Linux, Ntp, Linux and 3 more | 2020-06-18 | 5.8 MEDIUM | N/A |
| ntp_crypto.c in ntpd in NTP 4.x before 4.2.8p1, when Autokey Authentication is enabled, allows remote attackers to obtain sensitive information from process memory or cause a denial of service (daemon crash) via a packet containing an extension field with an invalid value for the length of its value field. | |||||
| CVE-2004-0657 | 2 Hp, Ntp | 2 Tru64 Unix, Ntp | 2020-06-18 | 5.0 MEDIUM | N/A |
| Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time. | |||||
| CVE-2015-7852 | 5 Debian, Netapp, Ntp and 2 more | 14 Debian Linux, Clustered Data Ontap, Data Ontap and 11 more | 2020-06-18 | 4.3 MEDIUM | 5.9 MEDIUM |
| ntpq in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted mode 6 response packets. | |||||