National Cyber-Alert System

Vulnerability Summary for CVE-2008-4963

Overview

Unspecified vulnerability in the VLAN Trunking Protocol (VTP) implementation on Cisco IOS and CatOS, when the VTP operating mode is not transparent, allows remote attackers to cause a denial of service (device reload or hang) via a crafted VTP packet sent to a switch interface configured as a trunk port.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: XF

Name: cisco-ios-catos-vtp-dos(46346)

Hyperlink:http://xforce.iss.net/xforce/xfdb/46346

External Source: SECTRACK

Name: 1021144

Hyperlink:http://www.securitytracker.com/id?1021144

External Source: BID

Name: 32120

Hyperlink:http://www.securityfocus.com/bid/32120

External Source: CISCO

Name: 20081105 Cisco VLAN Trunking Protocol Vulnerability

Type: Advisory

Hyperlink:http://www.cisco.com/en/US/products/products_security_response09186a0080a231cf.html

External Source: SECTRACK

Name: 1021143

Hyperlink:http://securitytracker.com/id?1021143

External Source: SECUNIA

Name: 32573

Hyperlink:http://secunia.com/advisories/32573

External Source: OSVDB

Name: 49601

Hyperlink:http://osvdb.org/49601