All errata/p8/ALT-PU-2020-2689-1
ALT-PU-2020-2689-1

Package update ntp in branch p8

Version4.2.8p15-alt0.M80P.1
Task#256752
Published2020-08-26
Max severityHIGH
Severity:

Closed issues (6)

BDU:2020-03219
MEDIUM4.9

Уязвимость демона ntpd реализации протокола синхронизации времени NTP, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2020-07-09Modified: 2025-02-18
CVSS 3.xMEDIUM 4.9
CVSS:3.x/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0MEDIUM 6.8
CVSS:2.0/AV:N/AC:L/Au:S/C:N/I:N/A:C
References
BDU:2020-03220
HIGH7.5

Уязвимость демона ntpd реализации протокола синхронизации времени NTP, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2020-07-09Modified: 2025-02-18
CVSS 3.xHIGH 7.5
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0HIGH 7.8
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C
References
CVE-2018-8956
MEDIUM5.3

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.

Published: 2020-05-06Modified: 2024-11-21
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xMEDIUM 5.3
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
CVE-2020-11868
HIGH7.5

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.

Published: 2020-04-17Modified: 2025-05-05
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
CVE-2020-13817
HIGH7.4

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.

Published: 2020-06-04Modified: 2025-05-05
CVSS 2.0MEDIUM 5.8
CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:P/A:P
CVSS 3.xHIGH 7.4
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
References
CVE-2020-15025
MEDIUM4.9

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.

Published: 2020-06-24Modified: 2024-11-21
CVSS 2.0MEDIUM 4.0
CVSS:2.0/AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS 3.xMEDIUM 4.9
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
References

Closed bugs (2)

Bug #38287

Задать жёсткую зависимость на версию openssl у бинарного пакета ntp

Bug #38300

Нужно изменить алгоритм по умолчанию у ntp-keygen