HIGH · 8.1

CVE-2019-3806

An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly ...

Vulnerability Description

An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
PowerdnsRecursor>= 4.1.4, < 4.1.9

Related Weaknesses (CWE)

References

FAQ

What is CVE-2019-3806?

CVE-2019-3806 is a vulnerability with a CVSS score of 8.1 (HIGH). An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly ...

How severe is CVE-2019-3806?

CVE-2019-3806 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-3806?

Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Recursor.