The Local ZIM Server in Zilab Chat and Instant Messaging (ZIM) Server 2.0 and 2.1 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted requests without required parameters.Referenceshttp://www.securityfocus.com/bid/27940http://aluigi.org/poc/zilabzcsx.ziphttp://secunia.com/advisories/29062http://www.vupen.com/english/advisories/2008/0664http://www.vupen.com/english/advisories/2008/0665http://aluigi.altervista.org/adv/zilabzcsx-adv.txt