mod_channel in The Ignition Project ignitionServer 0.3.0 to 0.3.6, and possibly earlier versions, does not allow protected operators to access channels that have been locked out by a key, which allows IRC users to cause a denial of service.Referenceshttp://www.ignition-project.com/security/20050515-protected-opers-cannot-join-channel-with-keyhttp://secunia.com/advisories/15388
