CVE:CVE-2020-17489
CNNVD:CNNVD-202008-607
gnome-shell是一款为GNOME桌面提供切换窗口，启动应用程序或查看通知等核心用户界面功能的shell。
GNOME gnome-shell 3.36.4及之前版本中存在安全漏洞，该漏洞源于如果在用户登录时，将密码设置为可见，注销账户时在登录对话框中会显示该明文密码。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
solution:Upgrade gnome gnome-shell to a higher version than 3.36.4,and avoid the version (,3.36.4]; Upgrade canonical ubuntu_linux to a higher version than 20.04,and avoid the version 20.04; Upgrade debian debian_linux to a higher version than 9.0,and avoid the version 9.0; Upgrade opensuse leap to a higher version than 15.2,and avoid the version 15.2