CVE:CVE-2012-1820
CNNVD:CNNVD-201206-020
Quagga是美国软件开发者Kunihiro Ishiguro所研发的一款路由软件套件。该套件可在多种平台上实现OSPFv2、OSPFv3、RIP v1/v2等协议，并提供路由重分布、路由映射等功能。
Quagga中存在一个影响Border Gateway Protocol（BGP）守护进程（‘bgpd’）的远程拒绝服务漏洞。远程攻击者可利用该漏洞导致守护进程崩溃，对合法用户拒绝服务。Quagga 0.99.20.1版本和之前版本中存在该漏洞。
solution:Upgrade quagga quagga to a higher version than 0.99.20.1,0.95,0.96,0.96.1,0.96.2,0.96.3,0.96.4,0.96.5,0.97.0,0.97.1,0.97.2,0.97.3,0.97.4,0.97.5,0.98.0,0.98.1,0.98.2,0.98.3,0.98.4,0.98.5,0.98.6,0.99.1,0.99.2,0.99.3,0.99.4,0.99.5,0.99.6,0.99.7,0.99.8,0.99.9,0.99.10,0.99.11,0.99.12,0.99.13,0.99.14,0.99.15,0.99.16,0.99.17,0.99.18,0.99.19,0.99.20,and avoid the version (,0.99.20.1],0.95,0.96,0.96.1,0.96.2,0.96.3,0.96.4,0.96.5,0.97.0,0.97.1,0.97.2,0.97.3,0.97.4,0.97.5,0.98.0,0.98.1,0.98.2,0.98.3,0.98.4,0.98.5,0.98.6,0.99.1,0.99.2,0.99.3,0.99.4,0.99.5,0.99.6,0.99.7,0.99.8,0.99.9,0.99.10,0.99.11,0.99.12,0.99.13,0.99.14,0.99.15,0.99.16,0.99.17,0.99.18,0.99.19,0.99.20