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CVE-2020-15025

Published: 24 June 2020

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.

Priority

Medium

Cvss 3 Severity Score

4.9

Score breakdown

Status

Package Release Status
ntp
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
eoan Ignored
(end of life)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)
groovy Ignored
(end of life)
jammy Not vulnerable
(1:4.2.8p15+dfsg-1ubuntu1)
impish Ignored
(end of life)
kinetic Does not exist

focal
Released (1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1)
Available with Ubuntu Pro
hirsute Ignored
(end of life)
lunar Does not exist

mantic Does not exist

ntpsec
Launchpad, Ubuntu, Debian
impish Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
trusty Does not exist

upstream Not vulnerable
(debian: Vulnerable code not present)
xenial Does not exist

mantic Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 4.9
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H