CVE:CVE-2020-29074
CNNVD:CNNVD-202011-1898
Libvnc X11vnc是Libvnc社区的一个适用于Unix平台用于连接远程桌面的软件。
x11vnc 0.9.16版本存在安全漏洞，该漏洞源于scan.c在shmget调用中使用IPC CREAT|0777，它允许当前用户以外的参与者访问。
solution:Upgrade x11vnc_project x11vnc to a higher version than 0.9.16,and avoid the version 0.9.16; Upgrade fedoraproject fedora to a higher version than 32,33,34,and avoid the version 32,33,34; Upgrade debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0