CVE-2019-3807

Description

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.

Categories

3.7
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.00%
Vendor Advisory powerdns.com
Affected: Power DNS pdns-recursor
Published at:
Updated at:

References

Link Tags
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

Frequently Asked Questions

What is the severity of CVE-2019-3807?
CVE-2019-3807 has been scored as a low severity vulnerability.
How to fix CVE-2019-3807?
To fix CVE-2019-3807, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-3807 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-3807 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-3807?
CVE-2019-3807 affects Power DNS pdns-recursor.
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