CVE-2016-5427 — Authoritative vulnerability

CWE-3998 documents6 sources
Severity
7.5HIGHNVD
EPSS
85.5%
top 0.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Open-xchange PdnsPowerdns Authoritative
Timeline
PublishedSep 21
Latest updateMay 17

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶Debianopen-xchange/pdns< 4.0.0~alpha1-1+3

🔴Vulnerability Details

3
GHSA
GHSA-8c2c-pfjh-2jc2: PowerDNS (aka pdns) Authoritative Server before 3↗2022-05-17
▶
CVEList
CVE-2016-5427: PowerDNS (aka pdns) Authoritative Server before 3↗2016-09-21
▶
OSV
CVE-2016-5427: PowerDNS (aka pdns) Authoritative Server before 3↗2016-09-21
▶

📋Vendor Advisories

1
Debian
CVE-2016-5427: pdns - PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle ...↗2016
▶

💬Community

3
Bugzilla
CVE-2016-5426 CVE-2016-5427 pdns: Crafted queries can cause unexpected backend load [fedora-23]↗2016-09-12
▶
Bugzilla
CVE-2016-5426 CVE-2016-5427 pdns: Crafted queries can cause unexpected backend load [epel-all]↗2016-09-12
▶
Bugzilla
CVE-2016-5426 CVE-2016-5427 pdns: Crafted queries can cause unexpected backend load↗2016-09-12
▶
CVE-2016-5427 — Powerdns Authoritative vulnerability | cvebase