PHP-Ping 1.3 does not properly validate ping counts, which allows remote attackers to cause a denial of service (ping flood) via a negative count parameter.Referenceshttp://www.kapda.ir/advisory-231.htmlhttp://secunia.com/advisories/18645http://www.vupen.com/english/advisories/2006/0368https://exchange.xforce.ibmcloud.com/vulnerabilities/24382
