PowerDNS Authoritative Server RPZ Null Pointer Dereference Vulnerability Leading to Denial-of-Service

A null pointer dereference vulnerability has been identified in PowerDNS Authoritative Server. This issue arises when a malicious authoritative server sends a Response Policy Zone (RPZ) that triggers the null pointer dereference, due to a lack of proper consistency checks. The vulnerability can be exploited to cause a denial-of-service condition.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing the server to become unresponsive or unavailable.