CVE-2020-12244
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-12244
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12244.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-12244
- Downstream
- Related
- Published
- 2020-05-19T14:15:11.097Z
- Modified
- 2025-11-14T10:10:59.853765Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- 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/
- 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://www.debian.org/security/2020/dsa-4691
Affected packages
Git / github.com/powerdns/pdns
Affected versions
auth-4.*
auth-4.2.0-alpha1
auth-4.2.0-beta1
auth-4.2.0-rc1
auth-4.2.0-rc2
auth-4.3.0-alpha1
dnsdist-1.*
dnsdist-1.3.0
dnsdist-1.3.1
dnsdist-1.3.2
dnsdist-1.3.3
dnsdist-1.4.0
dnsdist-1.4.0-alpha1
dnsdist-1.4.0-alpha2
dnsdist-1.4.0-beta1
dnsdist-1.4.0-rc1
dnsdist-1.4.0-rc2
dnsdist-1.4.0-rc3
dnsdist-1.4.0-rc4
dnsdist-1.4.0-rc5
rec-4.*
rec-4.1.0
rec-4.2.0-alpha1
rec-4.2.0-beta1
rec-4.2.0-rc1
rec-4.3.0
rec-4.3.0-alpha1
rec-4.3.0-alpha2
rec-4.3.0-alpha3
rec-4.3.0-beta1
rec-4.3.0-beta2
rec-4.3.0-rc1
rec-4.3.0-rc2