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 respo

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.

Published 2020-05-19 14:15:11

Updated 2022-04-26 19:40:07

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-12244

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Powerdns » Recursor
Versions from including (>=) 4.1.0 and up to, including, (<=) 4.3.0
cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 31
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 32
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 15.1
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Matching versions
Opensuse » Backports Sle » Version: 15.0 Update SP1
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2020-12244

Top countries where our scanners detected CVE-2020-12244

Top open port discovered on systems with this issue 53

IPs affected by CVE-2020-12244 2,222

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2020-12244!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-12244

EPSS FAQ

0.56%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 78 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-12244

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2020-12244

CWE-347 Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-12244

https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html

Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/

[SECURITY] Fedora 31 Update: pdns-recursor-4.2.2-1.fc31 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://www.debian.org/security/2020/dsa-4691

Debian -- Security Information -- DSA-4691-1 pdns-recursor
Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/

[SECURITY] Fedora 32 Update: pdns-recursor-4.3.1-1.fc32 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2020/05/19/3

oss-security - PowerDNS Recursor 4.3.1, 4.2.2. and 4.1.16 released fixing multiple vulnerabilities
Mailing List;Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html

[security-announce] openSUSE-SU-2020:0698-1: moderate: Security update f
Mailing List;Third Party Advisory

CVEs referencing this url