CVE:CVE-2020-14405
CNNVD:CNNVD-202006-1184
LibVNCServer是一款支持在程序中实现VNC（虚拟网络计算）服务器或客户端功能的跨平台C语言库。
LibVNCServer 0.9.13之前版本中的libvncclient/rfbproto.c文件存在安全漏洞，该漏洞源于程序未限制TextChat的大小。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 libvnc_project libvncserver to a higher version than 0.9.12,and avoid the version (,0.9.12); Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,18.10,and avoid the version 14.04,16.04,18.04,18.10; Upgrade debian debian_linux to a higher version than 8.0,9.0,and avoid the version 8.0,9.0; Upgrade siemens simatic_itc1500_firmware to a higher version than 3.2.1.0,and avoid the version [3.0.0.0,3.2.1.0); Upgrade siemens simatic_itc1500_pro_firmware to a higher version than 3.2.1.0,and avoid the version [3.0.0.0,3.2.1.0); Upgrade siemens simatic_itc1900_firmware to a higher version than 3.2.1.0,and avoid the version [3.0.0.0,3.2.1.0); Upgrade siemens simatic_itc1900_pro_firmware to a higher version than 3.2.1.0,and avoid the version [3.0.0.0,3.2.1.0); Upgrade siemens simatic_itc2200_firmware to a higher version than 3.2.1.0,and avoid the version [3.0.0.0,3.2.1.0); Upgrade siemens simatic_itc2200_pro_firmware to a higher version than 3.2.1.0,and avoid the version [3.0.0.0,3.2.1.0)