CVE-2020-12244
First published: Tue May 19 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PowerDNS Recursor | >=4.1.0<=4.3.0 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| Debian Debian Linux | =10.0 | |
| openSUSE Backports SLE | =15.0-sp1 | |
| openSUSE Leap | =15.1 | |
| debian/pdns-recursor | 4.1.11-1+deb10u1 4.4.2-3 4.8.4-1 4.9.1-3 4.9.1-4 |
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Reference Links
- 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@lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/
- https://www.debian.org/security/2020/dsa-4691
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html
- https://www.openwall.com/lists/oss-security/2020/05/19/3
- https://security-tracker.debian.org/tracker/CVE-2020-12244
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/
Frequently Asked Questions
What is CVE-2020-12244?
CVE-2020-12244 is a vulnerability in PowerDNS Recursor 4.1.0 through 4.3.0 that allows an attacker to bypass DNSSEC validation.
How does CVE-2020-12244 affect PowerDNS Recursor?
CVE-2020-12244 affects PowerDNS Recursor versions 4.1.0 through 4.3.0 by allowing an attacker to bypass DNSSEC validation.
What is the severity of CVE-2020-12244?
The severity of CVE-2020-12244 is high with a CVSS score of 7.5.
How can I fix CVE-2020-12244?
To fix CVE-2020-12244, update PowerDNS Recursor to version 4.3.1 or later.
Where can I find more information about CVE-2020-12244?
You can find more information about CVE-2020-12244 in the following references: <ul><li><a href='http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html'>http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html</a></li><li><a href='http://www.openwall.com/lists/oss-security/2020/05/19/3'>http://www.openwall.com/lists/oss-security/2020/05/19/3</a></li><li><a href='https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html'>https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html</a></li></ul>
- collector/nvd-index
- collector/security-tracker-debian
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/type
- agent/event
- agent/description
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/powerdns
- canonical/powerdns recursor
- version/powerdns recursor/4.1.0
- version/powerdns recursor/4.3.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/31
- version/fedoraproject fedora/32
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- vendor/opensuse
- canonical/opensuse backports sle
- version/opensuse backports sle/15.0-sp1
- canonical/opensuse leap
- version/opensuse leap/15.1
- package-manager/debian