Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Recursor | >= 4.1.0, <= 4.3.0 |
| Fedoraproject | Fedora | 31 |
| Debian | Debian Linux | 10.0 |
| Opensuse | Backports Sle | 15.0 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/05/19/3Mailing ListThird Party Advisory
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.debian.org/security/2020/dsa-4691Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/05/19/3Mailing ListThird Party Advisory
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.debian.org/security/2020/dsa-4691Third Party Advisory
FAQ
What is CVE-2020-12244?
CVE-2020-12244 is a vulnerability with a CVSS score of 7.5 (HIGH). 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, allowi...
How severe is CVE-2020-12244?
CVE-2020-12244 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-12244?
Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Recursor, Fedoraproject Fedora, Debian Debian Linux, Opensuse Backports Sle, Opensuse Leap.