发布日期：2012-02-29
更新日期：2012-02-29

受影响系统：

Cisco Wireless LAN Controller 7.2
Cisco Wireless LAN Controller 7.1
Cisco Wireless LAN Controller 7.0
Cisco Wireless LAN Controller 6.0
Cisco Wireless LAN Controller 5.2
Cisco Wireless LAN Controller 5.1
Cisco Wireless LAN Controller 5.0
Cisco Wireless LAN Controller 4.2 M
Cisco Wireless LAN Controller 4.2
Cisco Wireless LAN Controller 4.1 M
Cisco Wireless LAN Controller 4.1
Cisco Wireless LAN Controller 4.0

不受影响系统：

Cisco Wireless LAN Controller 7.2.103.0
Cisco Wireless LAN Controller 7.1.91.0
Cisco Wireless LAN Controller 7.0.220.0

描述：

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BUGTRAQ  ID: 52219
CVE ID: CVE-2012-0369

Cisco WLC 负责全系统的无线LAN功能，例如安全策略、入侵保护、RF管理，服务质量和移动性。

Cisco WLC在实现上存在远程拒绝服务漏洞，未验证的攻击者可通过发送一系列IPv6报文利用此漏洞造成受影响设备重载，拒绝服务合法用户。此漏洞其Cisco Bug ID CSCtt07949。

<*来源：Cisco
  
  链接：http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120229-wlc
*>

建议：

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厂商补丁：

Cisco
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Cisco已经为此发布了一个安全公告（cisco-sa-20120229-wlc）以及相应补丁:

cisco-sa-20120229-wlc：Multiple Vulnerabilities in Cisco Wireless LAN Controllers

链接：http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120229-wlc

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