CVE:CVE-2019-20788
CNNVD:CNNVD-202004-2009
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 0.9.12及之前版本中的libvncclient/cursor.c文件存在输入验证错误漏洞。攻击者可利用漏洞执行任意代码或造成应用程序崩溃。
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)