Description
An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.
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