Cisco IOS XE TCP段重组拒绝服务漏洞
信息来源:Cisco 发表日期:2013-09-03 17:42:00
Cisco IOS是多数思科系统路由器和网络交换机上使用的互联网络操作系统。
Cisco IOS XE的EoGRE功能存在安全漏洞,未经身份验证的远程攻击者利用此漏洞可造成系统重载。此漏洞源于没有正确处理畸形EoGRE报文。攻击者通过发送畸形IPv4或IPv6 EoGRE报文到配置了EoGRE接口的受影响设备利用此漏洞。
BUGTRAQ-ID:63439
CVE-ID:2013-5547
受影响系统:
Cisco IOS XE
解决办法:安装厂商补丁
厂商补丁:
Cisco
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Cisco已经为此发布了一个安全公告(cisco-sa-20131030-asr1000)以及相应补丁:
cisco-sa-20131030-asr1000:Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers
链接:http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131030-asr1000
补丁下载:
http://www.cisco.com/en/US/prod/collateral/routers/ps9343/product_bulletin_c25-448258.html
http://www.cisco.com/en/US/prod/collateral/routers/ps9343/product_bulletin_c25-726436.html
参考信息:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131030-asr1000