Cisco Security Advisory: Multiple Vulnerabilities in Cisco Wireless LAN Controllers
Cisco WLCs and Cisco WiSMs are responsible for system-wide wireless
LAN functions, such as security policies, intrusion prevention, RF
management, quality of service (QoS), and mobility.
These devices communicate with controller-based access points over any Layer 2 (Ethernet) or Layer 3 (IP) infrastructure using the Lightweight Access Point Protocol (LWAPP) and the Control and Provisioning of Wireless Access Points (CAPWAP) protocol.
The Cisco Wireless LAN Controller (WLC) product family is affected by
the following vulnerabilities:
* Cisco Wireless LAN Controllers HTTP Denial of Service Vulnerability
* Cisco Wireless LAN Controllers IPv6 Denial of Service Vulnerability
* Cisco Wireless LAN Controllers WebAuth Denial of Service Vulnerability
* Cisco Wireless LAN Controllers Unauthorized Access Vulnerability
Cisco has released free software updates that address these vulnerabilities. Workarounds are available that mitigate some of these vulnerabilities.
This advisory is available at the following link:
The Cisco WLC product family is affected by multiple vulnerabilities. Affected versions of Cisco ASA Software vary depending on the specific vulnerability.
Each of the following products is affected by at least one of the vulnerabilities covered in this Security Advisory:
* Cisco 2000 Series WLC
* Cisco 2100 Series WLC
* Cisco 2500 Series WLC
* Cisco 4100 Series WLC
* Cisco 4400 Series WLC
* Cisco 5500 Series WLC
* Cisco 500 Series Wireless Express Mobility Controllers
* Cisco Wireless Services Modules (WiSM)
* Cisco Wireless Services Modules version 2 (WiSM version 2)
* Cisco NME-AIR-WLC Modules for Integrated Services Routers (ISRs)
* Cisco NM-AIR-WLC Modules for Integrated Services Routers (ISRs)
* Cisco Catalyst 3750G Integrated WLCs
* Cisco Flex 7500 Series Cloud Controllers
Measures to mitigate these risks can be found here: http://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20120229-wlc
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