CVE-2016-6172

NameCVE-2016-6172
DescriptionPowerDNS (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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-627-1, DSA-3664-1
NVD severityhigh (attack range: remote)
Debian Bugs830808

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pdns (PTS)wheezy3.1-4.1vulnerable
wheezy (security)3.1-4.1+deb7u3fixed
jessie3.4.1-4+deb8u8fixed
jessie (security)3.4.1-4+deb8u7fixed
stretch4.0.3-1+deb9u2fixed
buster4.0.4-2fixed
sid4.1.0-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pdnssource(unstable)4.0.1-1high830808
pdnssourcejessie3.4.1-4+deb8u6highDSA-3664-1
pdnssourcewheezy3.1-4.1+deb7u2highDLA-627-1

Notes

https://github.com/PowerDNS/pdns/issues/4128
Master: https://github.com/PowerDNS/pdns/pull/4133
3.4.x: https://github.com/PowerDNS/pdns/pull/4134

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