Cisco Unified Communications Manager CTI服务拒绝服务漏洞

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

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&amp;isPlatform=Y&amp;mdfid=280735907&amp;sftType=Unified Communications Manager Updates&amp;treeName=Voice and Unified Communications&amp;modelName=Cisco Unified Communications Manager Version 5.1&amp;mdfLevel=Software Version/Option&amp;treeMdfId=278875240&amp;modifmdfid=null&amp;imname=null&amp;hybrid=Y&amp;imst=N” target=“_blank”>http://tools.cisco.com/support/downloads/go/ReleaseType.x?optPlat=null&amp;isPlatform=Y&amp;mdfid=280735907&amp;sftType=Unified Communications Manager Updates&amp;treeName=Voice and Unified Communications&amp;modelName=Cisco Unified Communications Manager Version 5.1&amp;mdfLevel=Software Version/Option&amp;treeMdfId=278875240&amp;modifmdfid=null&amp;imname=null&amp;hybrid=Y&amp;imst=N</a>
<a href=“http://tools.cisco.com/support/downloads/go/PlatformList.x?sftType=Unified Communications Manager Updates&amp;mdfid=281023410&amp;treeName=Voice and Unified Communications&amp;mdfLevel=Software Version/Option&amp;url=null&amp;modelName=Cisco Unified Communications Manager Version 6.1&amp;isPlatform=N&amp;treeMdfId=278875240&amp;modifmdfid=null&amp;imname=null&amp;hybrid=Y&amp;imst=N” target=“_blank”>http://tools.cisco.com/support/downloads/go/PlatformList.x?sftType=Unified Communications Manager Updates&amp;mdfid=281023410&amp;treeName=Voice and Unified Communications&amp;mdfLevel=Software Version/Option&amp;url=null&amp;modelName=Cisco Unified Communications Manager Version 6.1&amp;isPlatform=N&amp;treeMdfId=278875240&amp;modifmdfid=null&amp;imname=null&amp;hybrid=Y&amp;imst=N</a>