CVE-2013-4769
The cloud controller (aka CLC) component in Eucalyptus 3.3.x and 3.4.x before 3.4.2, when the dns.recursive.enabled setting is used, allows remote attackers to cause a denial of service (traffic amplification) via spoofed DNS queries.
Date published : 2014-12-26
https://www.eucalyptus.com/resources/security/advisories/esa-16