CVE:CVE-2018-0380
CNNVD:CNNVD-201807-1294
Cisco Webex Meetings Suite sites、Webex Meetings Online sites和Webex Meetings Server都是美国思科（Cisco）公司的多功能视频会议解决方案。Webex Network Recording Player for Advanced Recording Format（ARF）和Webex Recording Format（WRF）是其中的一个主要用于播放ARF和WRF格式的WebEx录制文件的媒体播放器。
Cisco Webex Network Recording Player for ARF和WRF文件中存在资源管理错误漏洞。攻击者可借助邮件或URL向用户提供恶意的.arf或.wrf文件并诱使用户启用该文件利用该漏洞造成拒绝服务（崩溃）。以下产品受到影响：Cisco Webex Meetings Suite sites；Cisco Webex Meetings Online sites；Cisco Webex Meetings Server。
solution:Upgrade cisco webex_meetings_online to a higher version than t30,t31,t31.20,t31.23,t31.23.2,and avoid the version t30,t31,t31.20,t31.23,t31.23.2