PT-2016-6424 · Powerdns+1 · Powerdns Authoritative Server+1

Rgacogne · Published 2016-09-10 · Updated 2017-08-13 · CVE-2016-5427

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions PowerDNS (aka pdns) Authoritative Server versions prior to 3.4.10

Description The issue allows remote attackers to cause a denial of service, specifically backend CPU consumption, by sending a crafted DNS query that contains a . (dot) inside labels.

Recommendations For versions prior to 3.4.10, update to version 3.4.10 or later to resolve the issue.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

ALT-PU-2017-1425

CVE-2016-5427

DLA-627-1

DSA-3664-1

MGASA-2016-0324

Affected Products

Alt Linux

Powerdns Authoritative Server

References · 20

• https://ubuntu.com/security/CVE-2016-5427 · Vendor Advisory
• https://doc.powerdns.com/md/security/powerdns-advisory-2016-01 · Vendor Advisory
• https://debian.org/security/2016/dsa-3664 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-5427 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/WTT7ILQWU5FKY4GLFZV4V7B4VEUXETKL · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3664-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-5427 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-5427 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-5427 · Security Note
• https://advisories.mageia.org/MGASA-2016-0324.html · Security Note
• https://osv.dev/vulnerability/MGASA-2016-0324 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-5427 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-5427 · Vendor Advisory
• http://debian.org/security/2016/dsa-3664 · Vendor Advisory
• https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3 · Note