CVE:CVE-2000-0352
CNNVD:CNNVD-199911-060
Pine 4.21之前版本不能正确过滤URLs中的shell元字符，远程攻击者通过有畸形的URL可以执行任意指令。
solution:Upgrade university_of_washington pine to a higher version than 4.20,4.21,and avoid the version 4.20,4.21