CVE:CVE-2020-6062
CNNVD:CNNVD-202002-937
CoTURN是一款TURN（VoIP媒体业务NAT穿越服务器和网关）和STUN（用户数据报协议简单穿越网络地址转换器）Server的开源实现。
CoTURN 4.5.1.1版本中Web服务器解析POST请求的方法存在拒绝服务漏洞。攻击者可借助特制的HTTP POST请求利用该漏洞造成拒绝服务。
solution:Upgrade coturn_project coturn to a higher version than 4.5.1.1,and avoid the version 4.5.1.1; Upgrade debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0; Upgrade fedoraproject fedora to a higher version than 30,31,32,and avoid the version 30,31,32; Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,19.10,20.04,and avoid the version 16.04,18.04,19.10,20.04