CVE Vulnerabilities

CVE-2016-5427

Published: Sep 21, 2016 | Modified: Aug 13, 2017
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
LOW

PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.

Affected Software

Name Vendor Start Version End Version
Authoritative Powerdns * 3.4.9 (including)
Pdns Ubuntu precise *
Pdns Ubuntu trusty *
Pdns Ubuntu upstream *

References