Description
Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected products
- PowerDNS / Recursor5.3.0 – 5.3.5
- PowerDNS / Recursor5.2.0 – 5.2.8
- PowerDNS / Recursor5.1.0 – 5.1.10