CVE:CVE-2007-5591
CNNVD:CNNVD-200710-405
Nortel Communication Server 1000是基于服务器的IP PBX，可提供各种网络电话服务。
Nortel Communication Server 1000在处理畸形流量时存在漏洞，远程攻击者可能利用此漏洞导致拒绝服务。
如果向Nortel CS1000的某些嵌入局域网(ELAN)端口(如7734/TCP、15000/TCP、15080/TCP、15000/UDP)发送了大量报文的话，就可能导致禁用电话服务器，必须重启才能恢复正常操作。
solution:Upgrade nortel meridian_option_11c to a higher version than *; Upgrade nortel meridian_option_51c to a higher version than *; Upgrade nortel meridian_option_61c to a higher version than *; Upgrade nortel meridian_option_81c to a higher version than *; Upgrade nortel voip-core-cs to a higher version than 1000e,1000m,1000s,and avoid the version 1000e,1000m,1000s