CVE:CVE-2020-12244
CNNVD:CNNVD-202005-918
Powerdns PowerDNS Recursor（pdns_recursor）是荷兰Powerdns公司的一款域名解析服务器。
PowerDNS Recursor 4.1.0版本至4.3.0版本中存在数据伪造问题漏洞，该漏洞源于没有正确验证DNSSEC签名。攻击者可利用该漏洞绕过DNSSEC验证。
solution:Upgrade powerdns recursor to a higher version than 4.3.0,and avoid the version [4.1.0,4.3.0]; Upgrade fedoraproject fedora to a higher version than 31,32,and avoid the version 31,32; Upgrade debian debian_linux to a higher version than 10.0,and avoid the version 10.0; Upgrade opensuse backports_sle to a higher version than 15.0:sp1,and avoid the version 15.0:sp1; Upgrade opensuse leap to a higher version than 15.1,and avoid the version 15.1