CVE:CVE-2020-16135
CNNVD:CNNVD-202007-1734
libssh是一个用于访问SSH服务的C语言开发包，它能够执行远程命令、文件传输，同时为远程的程序提供安全的传输通道。
libssh 0.9.4版本中的tftpserver.c文件存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
solution:Upgrade libssh libssh to a higher version than 0.9.4,and avoid the version 0.9.4; Upgrade debian debian_linux to a higher version than 9.0,and avoid the version 9.0; Upgrade fedoraproject fedora to a higher version than 32,33,and avoid the version 32,33; Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,20.04,and avoid the version 16.04,18.04,20.04; Upgrade oracle communications_cloud_native_core_policy to a higher version than 1.15.0,and avoid the version 1.15.0