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>> Cisco Wireless LAN Controllers Address Resolution Protocol Denial of Service Issues

Title : Cisco Wireless LAN Controllers Address Resolution Protocol Denial of Service Issues
VUPEN ID : VUPEN/ADV-2007-2636
CVE ID : CVE-2007-4011 - CVE-2007-4012
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-07-25


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

Multiple vulnerabilities have been identified in Cisco Wireless LAN Controllers, which could be exploited by attackers to cause a denial of service. These issues are caused by errors when processing unicast ARP (Address Resolution Protocol) requests in certain environments, which could be exploited by attackers to create a denial of service condition.

Affected Products

Cisco 4100 Series Wireless LAN Controller
Cisco 4400 Series Wireless LAN Controller
Cisco Airespace 4000 Series Wireless LAN Controller
Cisco Catalyst 6500 Series Wireless Services Module (WiSM)
Cisco Catalyst 3750 Series Integrated Wireless LAN Controller

Solution

Upgrade to version 4.1.181.0 :
http://www.cisco.com/public/sw-center/sw-usingswc.shtml

References

http://www.vupen.com/english/advisories/2007/2636
http://www.cisco.com/warp/public/707/cisco-sa-20070724-arp.shtml

Credits

Vulnerabilities reported by Cisco customers.

ChangeLog

2007-07-25 : Initial release

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