Description
Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail.
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 / Recursor5.2.0 – 5.2.11
- PowerDNS / Recursor5.3.0 – 5.3.8
- PowerDNS / Recursor5.4.0 – 5.4.3