Intrusion Prevention

Dnsmasq.DNS.Handling.Out.Of.Memory.DoS

Description

This indicates an attack attempt to exploit a Denial of Service vulnerability in Dnsmasq.
The vulnerability is due to an input validation error when handling malformed requests. A remote attacker may be able to exploit this to cause a denial of service condition on the affected system. This signature detects for 10 malformed requests within a span of 2 seconds.

Affected Products

Dnsmasq versions prior to 2.78

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Upgrade to the latest version available from the website.
http://www.thekelleys.org.uk/dnsmasq/

CVE References

CVE-2017-14495