high7.5
CVE-2020-12244
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 va…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Powerdns | Recursor | from 4.1.0 through 4.3.0 |
| Fedoraproject | Fedora | Versions 31, 32 |
| Debian | Debian Linux | Version 10.0 |
| Opensuse | Backports Sle | Version 15.0 |
| Opensuse | Leap | Version 15.1 |
Weakness classification
References
- NVD record
- CVE.org record
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html
- http://www.openwall.com/lists/oss-security/2020/05/19/3
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/
- https://www.debian.org/security/2020/dsa-4691
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html
- http://www.openwall.com/lists/oss-security/2020/05/19/3
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/
- https://www.debian.org/security/2020/dsa-4691