CVE:CVE-2021-3448
CNNVD:CNNVD-202103-1162
dnsmasq是一款使用C语言编写的轻量级DNS转发和DHCP、TFTP服务器。
dnsmasq 存在安全漏洞，该漏洞源于随机源端口行为被禁用，使得缓存攻击成为可能。
solution:Upgrade thekelleys dnsmasq to a higher version than 2.85,and avoid the version (,2.85); Upgrade redhat enterprise_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade fedoraproject fedora to a higher version than 32,33,34,and avoid the version 32,33,34; Upgrade oracle communications_cloud_native_core_network_function_cloud_native_environment to a higher version than 1.9.0,and avoid the version 1.9.0