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CVE-2014-0021

Published: 15 November 2019

Chrony before 1.29.1 has traffic amplification in cmdmon protocol

From the Ubuntu Security Team

Miroslav Lichvar discovered that Chrony is affected by traffic amplification attacks. A remote attacker could possibly use this issue to obtain sensitive information.

Notes

AuthorNote
seth-arnold
A fix will likely require protocol changes

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
chrony
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(3.2-4ubuntu1)
impish Not vulnerable
(3.2-4ubuntu1)
artful Not vulnerable
(3.1-5)
bionic Not vulnerable
(3.2-4ubuntu1)
cosmic Not vulnerable
(3.2-4ubuntu1)
disco Not vulnerable
(3.2-4ubuntu1)
eoan Not vulnerable
(3.2-4ubuntu1)
focal Not vulnerable
(3.2-4ubuntu1)
groovy Not vulnerable
(3.2-4ubuntu1)
jammy Not vulnerable
(3.2-4ubuntu1)
lucid Ignored
(end of life)
precise Ignored
(end of life)
quantal Ignored
(end of life)
raring Ignored
(end of life)
saucy Ignored
(end of life)
trusty
Released (1.29-1ubuntu0.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (1.19.1,1.29.1)
utopic Ignored
(end of life)
vivid Ignored
(end of life)
wily Ignored
(end of life)
xenial Not vulnerable
(2.1.1-1)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H