CVE:CVE-2006-5553
CNNVD:CNNVD-200610-458
Cisco Security Agent (CSA)可以为服务器和桌面计算系统提供威胁防护。
CSA在处理端口扫描等特殊情况时存在漏洞，远程攻击者可能利用此漏洞导致服务响应能力下降。
如果以特定的选项对CSA for Linux运行端口扫描的话，就可能消耗过多的系统资源，导致拒绝服务。
solution:Upgrade cisco security_agent to a higher version than 4.5,4.5.1,4.5.1.639,5.0,and avoid the version 4.5,4.5.1,4.5.1.639,5.0; Upgrade cisco unified_callmanager to a higher version than 5.0(1,5.0(2,5.0(3,5.0(3a,5.0(4,and avoid the version 5.0(1),5.0(2),5.0(3),5.0(3a),5.0(4); Upgrade cisco unified_presence_server to a higher version than 1.0,1.0(2,and avoid the version 1.0,1.0(2)