CVE-2016-5427

EUVD-2016-6372
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
Affected Products (NVD)
VendorProductVersion
powerdnsauthoritative
𝑥
≤ 3.4.9
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
pdns
bookworm
4.7.3-2
fixed
bullseye
4.4.1-1
fixed
sid
4.9.2-1
fixed
trixie
4.9.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
pdns
artful
not-affected
bionic
not-affected
cosmic
not-affected
disco
not-affected
precise
ignored
trusty
dne
xenial
not-affected
yakkety
not-affected
zesty
not-affected
Common Weakness Enumeration
References
http://www.debian.org/security/2016/dsa-3664
http://www.openwall.com/lists/oss-security/2016/09/09/3
http://www.securityfocus.com/bid/92917
http://www.securitytracker.com/id/1036761
https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/
https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3
http://www.debian.org/security/2016/dsa-3664
http://www.openwall.com/lists/oss-security/2016/09/09/3
http://www.securityfocus.com/bid/92917
http://www.securitytracker.com/id/1036761
https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/
https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3