CVE-2016-6172

Published: Sep 26, 2016Modified: May 6, 2026

6.8

Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Exploitability: 2.2 / Impact: 4.0

Source: NVD

Description

PowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response.

Affected (3)

Products: Opensuse: Leap, Opensuse · Powerdns: Authoritative Server

2 products

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 42.1
Opensuse Opensuse	Version 13.2

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Powerdns Authoritative Server	Up to 4.0.0

Related CWEs

CWE-400

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (22)

http://lists.opensuse.org/opensuse-updates/2016-08/msg00085.html

Source: secalert@redhat.com

Third Party Advisory

http://www.debian.org/security/2016/dsa-3664

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2016/07/06/3

Source: secalert@redhat.com

Mailing List

http://www.securityfocus.com/bid/91678

Source: secalert@redhat.com

http://www.securitytracker.com/id/1036242

Source: secalert@redhat.com

https://doc.powerdns.com/md/changelog/#powerdns-authoritative-server-401

Source: secalert@redhat.com

Release Notes

https://github.com/PowerDNS/pdns/issues/4128

Source: secalert@redhat.com

Issue Tracking

https://github.com/PowerDNS/pdns/issues/4133

Source: secalert@redhat.com

Issue Tracking

https://github.com/PowerDNS/pdns/pull/4134

Source: secalert@redhat.com

Issue Tracking

https://github.com/sischkg/xfer-limit/blob/master/README.md

Source: secalert@redhat.com

Patch

https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html

Source: secalert@redhat.com

Mailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-updates/2016-08/msg00085.html