CVE:CVE-1999-1091
CNNVD:CNNVD-200201-008
UNIX新闻阅读器tin和rtin创建具有不安全许可的/tmp/.tin_log文件并且跟随符号链接攻击，攻击者借助符号链接攻击修改用户可写文件的许可。
solution:Upgrade rtin rtin to a higher version than *; Upgrade tin tin to a higher version than 1.2,and avoid the version 1.2