Description
An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- PowerDNS / Recursor5.3.0 – 5.3.3
- PowerDNS / Recursor5.2.0 – 5.2.7
- PowerDNS / Recursor5.1.0 – 5.1.9