Cisco IOS fails to properly handle summary packets in the VLAN Trunking Protocol

Overview Cisco IOS fails to properly handle summary packets in the VLAN Trunking Protocol. This vulnerability may allow a remote, unauthenticated attacker to cause a denial-of-service condition. Description Cisco's VLAN Trunking Protocol VTP provides the ability to manage the addition, deletion,...

Cisco IOS VTP Malformed Version Denial of Service Vulnerability

Cisco IOS contains a vulnerability in the VLAN Trunking Protocol VTP that could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability exists because the VTP feature in several versions of Cisco IOS software does not properly handle malformed packe...