Description
A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- PowerDNS / Recursor5.4.0 – 5.4.1
- PowerDNS / Recursor5.3.0 – 5.3.6
- PowerDNS / Recursor5.2.0 – 5.2.9