| Name | CVE-2019-3807 |
| Description | An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium (attack range: remote) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| pdns-recursor (PTS) | jessie | 3.6.2-2+deb8u4 | fixed |
| jessie (security) | 3.6.2-2+deb8u3 | fixed | |
| stretch | 4.0.4-1+deb9u4 | fixed | |
| stretch (security) | 4.0.4-1+deb9u3 | fixed | |
| buster, sid | 4.1.11-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| pdns-recursor | source | (unstable) | 4.1.9-1 | medium | ||
| pdns-recursor | source | jessie | (not affected) | |||
| pdns-recursor | source | stretch | (not affected) |
[stretch] - pdns-recursor <not-affected> (Only affects 4.1.x)
[jessie] - pdns-recursor <not-affected> (Only affects 4.1.x)
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02.html