Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to execute arbitrary code via a long VLAN name in a VTP type 2 summary advertisement.Referenceshttp://www.kb.cert.org/vuls/id/542108http://www.vupen.com/english/advisories/2006/3601http://www.phenoelit.de/stuff/CiscoVTP.txthttp://secunia.com/advisories/21896http://www.securityfocus.com/bid/19998http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtmlhttp://securitytracker.com/id?1016843http://www.securityfocus.com/archive/1/445938/100/0/threadedhttp://www.osvdb.org/28777https://exchange.xforce.ibmcloud.com/vulnerabilities/28927http://www.vupen.com/english/advisories/2006/3600http://www.securityfocus.com/archive/1/445896/100/0/threaded