受影响系统：
Cisco Unified Communications Manager 6.x
Cisco Unified Communications Manager 5.x
不受影响系统：
Cisco Unified Communications Manager 6.1(2)
Cisco Unified Communications Manager 5.1(3c)
描述：
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BUGTRAQ ID: 29933
CVE(CAN) ID: CVE-2008-2061
Cisco Unified Communications Manager（CUCM，之前被称为CallManager）是Cisco IP电话解决方案中的呼叫处理组件。
CUCM的计算机电话集成（CTI）管理器服务在处理畸形输入时存在拒绝服务漏洞，远程攻击者可以通过向默认的TCP 2748监听端口发送恶意报文导致语音服务中断。
<*来源：VoIPshield
链接：
http://www.voipshield.com/component/option,com_fabrik/Itemid,203/task,viewTableRowDetails/fabrik,1/rowid,64/_cursor,49/_total,94/tableid,1/
http://www.cisco.com/warp/public/707/cisco-sa-20080625-cucm.shtml
*>
建议：
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临时解决方法：
* 仅允许来自包含有运行启用了CTI应用的网络对TCP 2748端口的访问。
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-20080625-cucm）以及相应补丁:
cisco-sa-20080625-cucm：Cisco Unified Communications Manager Denial of Service and Authentication Bypass Vulnerabilities
链接：
http://www.cisco.com/warp/public/707/cisco-sa-20080625-cucm.shtml
补丁下载：
http://tools.cisco.com/support/d ... amp;sftType=Unified Communications Manager Updates&treeName=Voice and Unified Communications&modelName=Cisco Unified Communications Manager Version 5.1&mdfLevel=Software Version/Option&treeMdfId=278875240&modifmdfid=null&imname=null&hybrid=Y&imst=N
http://tools.cisco.com/support/d ... t.x?sftType=Unified Communications Manager Updates&mdfid=281023410&treeName=Voice and Unified Communications&mdfLevel=Software Version/Option&url=null&modelName=Cisco Unified Communications Manager Version 6.1&isPlatform=N&treeMdfId=278875240&modifmdfid=null&imname=null&hybrid=Y&imst=N
