CVE:CVE-2006-5277
CNNVD:CNNVD-200707-271
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CTLProvider.exe和RisDC.exe服务组件中分别存在一个单字节溢出漏洞，远程攻击者可能利用这些漏洞导致设备不可用或控制受影响的系统。
如果远程攻击者向默认运行于2444/TCP和2556/TCP端口的上述服务发送了恶意请求报文的话，就可能触发堆溢出，导致拒绝服务或完全入侵有漏洞的设备。
solution:Upgrade cisco unified_callmanager to a higher version than 3.3\(5\sr2,4.1\(3\sr4,4.2\(3\sr1,5.0,and avoid the version [3.3,3.3\(5\)sr2],[4.1,4.1\(3\)sr4],[4.2,4.2\(3\)sr1],5.0; Upgrade cisco unified_communications_manager to a higher version than 4.3\(1\,5.1\(1\,and avoid the version [4.3,4.3\(1\)],[5.1,5.1\(1\)]