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Vulnerability IntelligenceCVE-2020-12244

CVE-2020-12244

HIGH7.5

An issue has been found in PowerDNS Recursor 4

Published May 19, 2020

Modified 1 years ago

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

ADVISORY

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html

WEB

http://www.openwall.com/lists/oss-security/2020/05/19/3

WEB

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

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2020-12244

ADVISORY

https://www.debian.org/security/2020/dsa-4691

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Ecosystems

Timeline

PublishedMay 19, 2020

ModifiedAug 4, 2024

CVE-2020-12244 | Mondoo Vulnerability Intelligence