CVE:CVE-2020-12674
CNNVD:CNNVD-202008-652
Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。
Dovecot 2.3.11.3之前版本中存在安全漏洞，该漏洞源于程序没有正确处理零的长度。攻击者可利用该漏洞造成身份验证服务崩溃。
solution:Upgrade dovecot dovecot to a higher version than 2.3.11.3,and avoid the version (,2.3.11.3); Upgrade debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,20.04,and avoid the version 14.04,16.04,18.04,20.04; Upgrade fedoraproject fedora to a higher version than 31,32,33,and avoid the version 31,32,33