National Cyber-Alert System

Vulnerability Summary for CVE-2007-4011

Overview

Cisco 4100 and 4400, Airespace 4000, and Catalyst 6500 and 3750 Wireless LAN Controller (WLC) software before 3.2 20070727, 4.0 before 20070727, and 4.1 before 4.1.180.0 allows remote attackers to cause a denial of service (traffic amplification or ARP storm) via a crafted unicast ARP request that (1) has a destination MAC address unknown to the Layer-2 infrastructure, aka CSCsj69233; or (2) occurs during Layer-3 roaming across IP subnets, aka CSCsj70841.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: VUPEN

Name: ADV-2007-2636

Type: Advisory; Patch Information

Hyperlink:http://www.frsirt.com/english/advisories/2007/2636

External Source: BID

Name: 25043

Hyperlink:http://www.securityfocus.com/bid/25043

External Source: CISCO

Name: 20070724 Wireless ARP Storm Vulnerability

Hyperlink:http://www.cisco.com/en/US/products/products_security_advisory09186a008088ab28.shtml

External Source: SECUNIA

Name: 26161

Type: Advisory

Hyperlink:http://secunia.com/advisories/26161

External Source: XF

Name: cisco-wlc-arp-dos(35576)

Hyperlink:http://xforce.iss.net/xforce/xfdb/35576

External Source: SECTRACK

Name: 1018444

Hyperlink:http://www.securitytracker.com/id?1018444