Intrusion Prevention

PowerDNS.Authoritative.Server.Dot.Character.DoS

Description

This indicates an attempt to exploit a Denial of Service vulnerability in PowerDNS.
The vulnerability is due to an error when the vulnerable software processes a DNS query with the dot character inside labels. A remote attacker may be able to exploit this to cause a denial of service condition on the affected system.

Affected Products

PowerDNS PowerDNS Authoritative Server 3.x prior to 3.4.10

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/

CVE References

CVE-2016-5427