CVE-2017-15120

EUVD-2017-6581
An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.
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
redhatCNA
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: 55%
Affected Products (NVD)
VendorProductVersion
powerdnsrecursor
𝑥
< 4.0.8
debiandebian_linux
8.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
pdns-recursor
bookworm
4.8.8-1
fixed
bookworm (security)
4.8.8-1
fixed
bullseye
4.4.2-3
fixed
jessie
not-affected
sid
5.0.9-1
fixed
trixie
5.0.9-1
fixed
wheezy
not-affected
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
pdns-recursor
artful
ignored
bionic
not-affected
cosmic
not-affected
disco
not-affected
eoan
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
needed
zesty
ignored
Common Weakness Enumeration
References
http://seclists.org/oss-sec/2017/q4/382
http://www.securityfocus.com/bid/106335
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html
https://www.debian.org/security/2017/dsa-4063
http://seclists.org/oss-sec/2017/q4/382
http://www.securityfocus.com/bid/106335
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html
https://www.debian.org/security/2017/dsa-4063