CVE-2016-6172

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.

References

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

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

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

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

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

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

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

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

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

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

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

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3