CVE:CVE-1999-1102
CNNVD:CNNVD-199912-156
SunOS 4.1.1， BSD 4.3， A/UX 2.0.1，以及其他基于BSD的操作系统存在lpr漏洞。本地用户通过一次symlink攻击创建或重写任意文件，该攻击在调用lpr1000次后被触发。
solution:Upgrade sgi irix to a higher version than 5.2,and avoid the version (,5.2]; Upgrade apple a_ux to a higher version than 2.0.1,and avoid the version 2.0.1; Upgrade bsd bsd to a higher version than 4.3,and avoid the version 4.3; Upgrade sun sunos to a higher version than 4.1.1,and avoid the version (,4.1.1]