Home/CVE/An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of response
CVE

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 response

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.

LOW · CVSS 3.7 EPSS 9e-05
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
CWE-345Insufficient Verification of Data Authenticity
▤

Affected Products & Versions

1
powerdns recursor>= 4.1.0 and <= 4.1.8
▣

Scoring & Timeline

3.7
LOW · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Jan 2019 · 05:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:11157-1
suse-csafopenSUSE-SU-2019:0100-1
suse-csafopenSUSE-SU-2019:0131-1
suse-csafopenSUSE-SU-2019:0107-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3807Issue TrackingThird Party Advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02.htmlVendor Advisory
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