CVE Vulnerability

CVE-2019-3807

An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02.html Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3807 Issue Tracking Third Party Advisory
Configurations

Configuration 1

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

Published : 2019-01-29 05:29

Updated : 2019-10-09 11:49

NVD link : CVE-2019-3807

Mitre link : CVE-2019-3807

Products Affected
No products.
CWE
CWE-295

Improper Certificate Validation