CVE:CVE-2018-0303
CNNVD:CNNVD-201806-1126
Cisco Firepower 4100 Series Next-Generation Firewalls等都是美国思科（Cisco）公司的产品。Cisco Firepower 4100 Series Next-Generation Firewalls是一款4100系列的防火墙设备。Nexus 1000V Series Switches是一款1000V系列的交换机设备。FXOS Software是一套运行在思科安全设备中的防火墙软件。NX-OS Software是运行在思科交换机设备中的一套数据中心级操作系统软件。Discovery Protocol是其中的一个Cisco设备发现协议组件。
多款Cisco产品中的FXOS Software和NX-OS Software的Discovery Protocol组件存在输入验证漏洞，该漏洞源于程序没有充分的验证Cisco Discovery Protocol数据包包头。攻击者可通过发送特制的Cisco Discovery Protocol数据包利用该漏洞造成缓冲区溢出，以root用户身份执行任意代码或造成拒绝服务。以下产品受到影响：Cisco Firepower 4100 Series Next-Generation Firewalls；Firepower 9300 Security Appliance；MDS 9000 Series Multilayer Switches；Nexus 1000V Series Switches；Nexus 1100 Series Cloud Services Platforms；Nexus 2000 Series Fabric Extenders；Nexus 3000 Series Switches；Nexus 3500 Platform Switches；Nexus 5500 Platform Switches；Nexus 5600 Platform Switches；Nexus 6000 Series Switches；Nexus 7000 Series Switches；Nexus 7700 Series Switches；Nexus 9000 Series Fabric Switches（在Application Centric Infrastructure (ACI)模式下）；Nexus 9000 Series Switches（在standalone NX-OS模式下）；Nexus 9500 R-Series Line Cards and Fabric Modules；UCS 6100 Series Fabric Interconnects；UCS 6200 Series Fabric Interconnects；UCS 6300 Series Fabric Interconnects。
solution:Upgrade cisco nx-os to a higher version than 7.0(0hsk(0.357,8.1(0.2s0,8.8(0.1,8.0(1,8.8(3.5s0,7.0(3i4(7,7.0(3i7(1,3.1(3aa,and avoid the version 7.0(0)hsk(0.357),8.1(0.2)s0,8.8(0.1),8.0(1),8.8(3.5)s0,7.0(3)i4(7),7.0(3)i7(1),3.1(3a)a; Upgrade cisco firepower_extensible_operating_system to a higher version than 1.1.4.179,2.0.1.153,2.1.1.86,2.2.1.70,2.2.2.17,and avoid the version [1.1,1.1.4.179),[2.0,2.0.1.153),[2.1.1,2.1.1.86),[2.2.1,2.2.1.70),[2.2.2,2.2.2.17)