CVE:CVE-2008-3819
CNNVD:CNNVD-200901-071
Cisco全球站点选择器(GSS)平台允许用户跨多个分布的镜像数据位置来调节全球内容部署，以优化站点选择、改善DNS响应并确保数据中心的可用性。
GSS在处理特定序列的DNS请求时存在漏洞，利用这个漏洞可能导致GSS上的DNS服务崩溃。DNS服务器崩溃时会在日志中显示类似于以下的错误消息：
Dec 18 04:47:21 gss NMR-6-LAUNCHSVR_EXIT[27261] dnsserver has exited [ExitUnknown(139)]
solution:Upgrade cisco gss_4480_global_site_selector to a higher version than *; Upgrade cisco gss_4490_global_site_selector to a higher version than *; Upgrade cisco gss_4491_global_site_selector to a higher version than *; Upgrade cisco gss_4492r_global_site_selector to a higher version than *