CVE:CVE-2012-5521
CNNVD:CNNVD-201211-301
Quagga是美国Kunihiro Ishiguro软件开发者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 0.99.21版本中存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。
solution:Upgrade quagga quagga to a higher version than 0.99.21,and avoid the version 0.99.21; Upgrade debian debian_linux to a higher version than 8.0,9.0,10.0,and avoid the version 8.0,9.0,10.0; Upgrade redhat enterprise_linux to a higher version than 5.0,6.0,and avoid the version 5.0,6.0