CVE-2016-7073

NameCVE-2016-7073
DescriptionAn issue has been found in PowerDNS before 3.4.11 and 4.0.2, and PowerDNS recursor before 4.0.4, allowing an attacker in position of man-in-the-middle to alter the content of an AXFR because of insufficient validation of TSIG signatures. A missing check of the TSIG time and fudge values was found in AXFRRetriever, leading to a possible replay attack.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-798-1, DSA-3764-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pdns (PTS)jessie3.4.1-4+deb8u8fixed
jessie (security)3.4.1-4+deb8u7fixed
stretch4.0.3-1+deb9u2fixed
buster, sid4.1.4-1fixed
pdns-recursor (PTS)jessie3.6.2-2+deb8u4fixed
jessie (security)3.6.2-2+deb8u3fixed
stretch (security), stretch4.0.4-1+deb9u3fixed
buster, sid4.1.4-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pdnssource(unstable)4.0.2-1
pdnssourcejessie3.4.1-4+deb8u7DSA-3764-1
pdnssourcewheezy3.1-4.1+deb7u3DLA-798-1
pdns-recursorsource(unstable)4.0.4-1
pdns-recursorsourcejessie(not affected)
pdns-recursorsourcewheezy(not affected)

Notes

[jessie] - pdns-recursor <not-affected> (Only >= 4.0.0 affected)
[wheezy] - pdns-recursor <not-affected> (Only >= 4.0.0 affected)
https://doc.powerdns.com/md/security/powerdns-advisory-2016-04/

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