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CVE-2017-14339

Published: 20 September 2017

The DNS packet parser in YADIFA before 2.2.6 does not check for the presence of infinite pointer loops, and thus it is possible to force it to enter an infinite loop. This can cause high CPU usage and makes the server unresponsive.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
yadifa
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(2.3.7-1build1)
hirsute Not vulnerable
(2.3.7-1build1)
kinetic Not vulnerable
(2.3.7-1build1)
lunar Not vulnerable
(2.3.7-1build1)
artful Ignored
(end of life)
bionic Not vulnerable
(2.3.7-1build1)
cosmic Not vulnerable
(2.3.7-1build1)
disco Not vulnerable
(2.3.7-1build1)
eoan Not vulnerable
(2.3.7-1build1)
focal Not vulnerable
(2.3.7-1build1)
impish Not vulnerable
(2.3.7-1build1)
jammy Not vulnerable
(2.3.7-1build1)
trusty Does not exist

upstream
Released (2.2.3-1+deb9u1, 2.2.6-1)
xenial Needed

zesty
Released (2.2.3-1+deb9u1build0.17.04.1)
mantic Not vulnerable
(2.3.7-1build1)

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H