CVE-2017-14339 Information

Description

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.

CVSS Vector

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

Reference

http://www.debian.org/security/2017/dsa-4001 https://github.com/yadifa/yadifa/blob/v2.2.6/ChangeLog https://www.tarlogic.com/blog/fuzzing-yadifa-dns/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5