CVEvulnerability
CVE-2016-5427
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2016-09-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-399
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.
Affected configurations
• powerdns authoritative (<= 3.4.9)
Related
Weakness · not in database (1)
References
- http://www.debian.org/security/2016/dsa-3664 www.debian.org
- http://www.openwall.com/lists/oss-security/2016/09/09/3 Release Notes
- http://www.securityfocus.com/bid/92917 www.securityfocus.com
- http://www.securitytracker.com/id/1036761 www.securitytracker.com
- https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/ Vendor Advisory
- https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3 github.com
- http://www.debian.org/security/2016/dsa-3664 www.debian.org
- http://www.openwall.com/lists/oss-security/2016/09/09/3 Release Notes
- http://www.securityfocus.com/bid/92917 www.securityfocus.com
- http://www.securitytracker.com/id/1036761 www.securitytracker.com
- https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/ Vendor Advisory
- https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3 github.com