CVE-2020-12244

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory powerdns.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html vendor advisory
http://www.openwall.com/lists/oss-security/2020/05/19/3 third party advisory mailing list
https://www.debian.org/security/2020/dsa-4691 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html mailing list third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-12244?
CVE-2020-12244 has been scored as a high severity vulnerability.
How to fix CVE-2020-12244?
To fix CVE-2020-12244, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12244 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-12244 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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