PowerDNS Recursor: Multiple vulnerabilities

Background

PowerDNS Recursor is a high-end, high-performance resolving name server

Description

Multiple vulnerabilities have been discovered in PowerDNS Recursor. Please review the CVE identifiers and PowerDNS blog post referenced below for details.

Impact

A remote attacker may be able to send specially crafted packets, possibly resulting in arbitrary code execution or a Denial of Service condition. Furthermore, a remote attacker may be able to spoof DNS data.

Workaround

There is no known workaround at this time.

Resolution

All PowerDNS Recursor users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-dns/pdns-recursor-3.6.1-r1"