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 response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
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	Mailing List Third Party Advisory
https://www.debian.org/security/2020/dsa-4691	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:31:::::::*
	cpe:2.3:o:fedoraproject:fedora:32:::::::*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR	cpe:2.3:a:opensuse:backports_sle:15.0:sp1::::::
	cpe:2.3:o:opensuse:leap:15.1:::::::*

Information

Published : 2020-05-19 07:15

Updated : 2022-04-26 12:40

NVD link : CVE-2020-12244

Mitre link : CVE-2020-12244

JSON object : View

CWE

CWE-347

Improper Verification of Cryptographic Signature

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Products Affected

opensuse

backports_sle
leap

fedoraproject

fedora

powerdns

recursor

debian

debian_linux

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