CVE-2020-12244
Fixed in a distro release EPSS 2%
An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.
Products: powerdns recursor, fedoraproject fedora, debian_linux, opensuse backports_sle, opensuse leap
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Arch Linux | powerdns-recursor | 4.2.2-1 |
| Debian 10 | pdns-recursor | 4.1.11-1+deb10u1 |
| Debian 12 | pdns-recursor | 4.3.1-1 |
| Debian 13 | pdns-recursor | 4.3.1-1 |
| Debian 14 | pdns-recursor | 4.3.1-1 |
| SUSE Package Hub 12 SP1 | pdns-recursor | 4.1.12-bp151.4.3.1 |
| SUSE Package Hub 15 SP1 | pdns-recursor | 4.1.12-bp151.4.3.1 |
| Ubuntu Pro 16.04 LTS | pdns-recursor | no fix |
| Ubuntu Pro 18.04 LTS | pdns-recursor | no fix |
| Ubuntu Pro 20.04 LTS | pdns-recursor | no fix |
| openSUSE Leap 15.1 | pdns-recursor | 4.1.12-bp151.4.3.1 |
| openSUSE Tumbleweed | pdns-recursor | 4.5.5-1.3 |