CVE:CVE-2004-1052
CNNVD:CNNVD-200503-001
BNC 2.8.9及可能的其他版本的getnickuserhos函数中存在缓冲区溢出，远程IRC服务器可以通过含有众多(1) !(感叹号)或(2) @(at标志)的IRC服务器响应，执行任意代码。
solution:Upgrade bnc bnc to a higher version than 2.2.4,2.4.6,2.4.8,2.6,2.6.2,2.6.4,2.8.8,2.8.9,and avoid the version 2.2.4,2.4.6,2.4.8,2.6,2.6.2,2.6.4,2.8.8,2.8.9; Upgrade debian debian_linux to a higher version than 3.0,and avoid the version 3.0; Upgrade gentoo linux to a higher version than *