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。
Cisco Unified Communications Manager 6.x
Cisco Unified Communications Manager 5.x
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：<a href=http://www.cisco.com/warp/public/707/cisco-sa-20080625-cucm.shtml target=_blank>http://www.cisco.com/warp/public/707/cisco-sa-20080625-cucm.shtml</a>
补丁下载：
<a href=http://tools.cisco.com/support/downloads/go/ReleaseType.x?optPlat=null&isPlatform=Y&mdfid=280735907&sftType=Unified%20Communications%20Manager%20Updates&treeName=Voice%20and%20Unified%20Communications&modelName=Cisco%20Unified%20Communications%20Manager%20Version%205.1&mdfLevel=Software%20Version/Option&treeMdfId=278875240&modifmdfid=null&imname=null&hybrid=Y&imst=N target=_blank>http://tools.cisco.com/support/downloads/go/ReleaseType.x?optPlat=null&isPlatform=Y&mdfid=280735907&sftType=Unified%20Communications%20Manager%20Updates&treeName=Voice%20and%20Unified%20Communications&modelName=Cisco%20Unified%20Communications%20Manager%20Version%205.1&mdfLevel=Software%20Version/Option&treeMdfId=278875240&modifmdfid=null&imname=null&hybrid=Y&imst=N</a>
<a href=http://tools.cisco.com/support/downloads/go/PlatformList.x?sftType=Unified%20Communications%20Manager%20Updates&mdfid=281023410&treeName=Voice%20and%20Unified%20Communications&mdfLevel=Software%20Version/Option&url=null&modelName=Cisco%20Unified%20Communications%20Manager%20Version%206.1&isPlatform=N&treeMdfId=278875240&modifmdfid=null&imname=null&hybrid=Y&imst=N target=_blank>http://tools.cisco.com/support/downloads/go/PlatformList.x?sftType=Unified%20Communications%20Manager%20Updates&mdfid=281023410&treeName=Voice%20and%20Unified%20Communications&mdfLevel=Software%20Version/Option&url=null&modelName=Cisco%20Unified%20Communications%20Manager%20Version%206.1&isPlatform=N&treeMdfId=278875240&modifmdfid=null&imname=null&hybrid=Y&imst=N</a>
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