National Vulnerability Database (NVD) National Vulnerability Database (CVE-2006-4776)

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Last updated: Sun Nov 22 11:44:13 EST 2009

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Vulnerability Summary for CVE-2006-4776

Original release date:09/14/2006

Last revised:09/10/2008

Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 10.0

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

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US-CERT Vulnerability Note: VU#542108

Name: VU#542108

Hyperlink:http://www.kb.cert.org/vuls/id/542108

External Source: CISCO

Name: 20060913 Cisco VLAN Trunking Protocol Vulnerabilities

Type: Patch Information

Hyperlink:http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtml

External Source: BID

Name: 19998

Hyperlink:http://www.securityfocus.com/bid/19998

External Source: BUGTRAQ

Name: 20060913 Re: Cisco IOS VTP issues