CVE:CVE-2013-5543
CNNVD:CNNVD-201310-721
Cisco IOS XE是美国思科（Cisco）公司为其网络设备开发的操作系统。
1000 ASR设备上的Cisco IOS XE 3.4.2S之前的3.4版本和3.5.1S之前的3.5版本中存在拒绝服务漏洞，该漏洞源于当通过Zone-Based Firewall (ZBFW)组件检查TCP或UDP连接时程序没有正确处理畸形的ICMP错误数据包。远程攻击者可通过发送大量的畸形ICMP错误数据包利用该漏洞造成拒绝服务（设备重载）。
solution:Upgrade cisco ios_xe to a higher version than 3.4.0as,3.4.0s,3.4.1s,and avoid the version 3.4.0as,3.4.0s,3.4.1s; Upgrade cisco asr_1001 to a higher version than -; Upgrade cisco asr_1002 to a higher version than -; Upgrade cisco asr_1002-x to a higher version than -; Upgrade cisco asr_1004 to a higher version than -; Upgrade cisco asr_1006 to a higher version than -; Upgrade cisco asr_1023_router to a higher version than -